646616880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 480

約数和(自身を含む): 2729825280

約数和(自身を除く): 2083208400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 71, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 139, 140, 142, 144, 156, 168, 180, 182, 195, 208, 210, 213, 234, 240, 252, 260, 273, 278, 280, 284, 312, 315, 336, 355, 360, 364, 390, 417, 420, 426, 455, 468, 497, 504, 520, 546, 556, 560, 568, 585, 624, 630, 639, 695, 710, 720, 728, 780, 819, 834, 840, 852, 910, 923, 936, 973, 994, 1008, 1040, 1065, 1092, 1112, 1136, 1170, 1251, 1260, 1278, 1365, 1390, 1420, 1456, 1491, 1560, 1638, 1668, 1680, 1704, 1807, 1820, 1846, 1872, 1946, 1988, 2085, 2130, 2184, 2224, 2340, 2485, 2502, 2520, 2556, 2730, 2769, 2780, 2840, 2919, 2982, 3120, 3195, 3276, 3336, 3408, 3614, 3640, 3692, 3892, 3976, 4095, 4170, 4260, 4368, 4473, 4615, 4680, 4865, 4970, 5004, 5040, 5112, 5421, 5460, 5538, 5560, 5680, 5838, 5964, 6255, 6390, 6461, 6552, 6672, 7228, 7280, 7384, 7455, 7784, 7952, 8190, 8307, 8340, 8520, 8757, 8946, 9035, 9230, 9360, 9730, 9869, 9940, 10008, 10224, 10842, 10920, 11076, 11120, 11676, 11928, 12510, 12649, 12780, 12922, 13104, 13845, 14456, 14595, 14768, 14910, 15568, 16263, 16380, 16614, 16680, 17040, 17514, 17892, 18070, 18460, 19383, 19460, 19738, 19880, 20016, 21684, 21840, 22152, 22365, 23352, 23856, 25020, 25298, 25560, 25844, 27105, 27690, 28912, 29190, 29607, 29820, 32305, 32526, 32760, 33228, 33360, 35028, 35784, 36140, 36920, 37947, 38766, 38920, 39476, 39760, 41535, 43368, 43785, 44304, 44730, 46704, 49345, 50040, 50596, 51120, 51688, 54210, 55380, 58149, 58380, 59214, 59640, 63245, 64610, 65052, 65520, 66456, 69083, 70056, 71568, 72280, 73840, 75894, 77532, 77840, 78952, 81315, 83070, 86736, 87570, 88821, 89460, 96915, 98690, 100080, 101192, 103376, 108420, 110760, 113841, 116298, 116760, 118428, 119280, 126490, 128297, 129220, 130104, 132912, 138166, 140112, 144560, 148035, 151788, 155064, 157904, 162630, 166140, 175140, 177642, 178920, 189735, 193830, 197380, 202384, 207249, 216840, 221520, 227682, 232596, 233520, 236856, 252980, 256594, 258440, 260208, 276332, 290745, 296070, 303576, 310128, 325260, 332280, 345415, 350280, 355284, 357840, 379470, 384891, 387660, 394760, 414498, 433680, 444105, 455364, 465192, 473712, 505960, 513188, 516880, 552664, 569205, 581490, 592140, 607152, 621747, 641485, 650520, 664560, 690830, 700560, 710568, 758940, 769782, 775320, 789520, 828996, 888210, 898079, 910728, 930384, 1011920, 1026376, 1036245, 1105328, 1138410, 1154673, 1162980, 1184280, 1243494, 1282970, 1301040, 1381660, 1421136, 1517880, 1539564, 1550640, 1657992, 1776420, 1796158, 1821456, 1924455, 2052752, 2072490, 2276820, 2309346, 2325960, 2368560, 2486988, 2565940, 2694237, 2763320, 3035760, 3079128, 3108735, 3315984, 3552840, 3592316, 3848910, 4144980, 4490395, 4553640, 4618692, 4651920, 4973976, 5131880, 5388474, 5526640, 5773365, 6158256, 6217470, 7105680, 7184632, 7697820, 8082711, 8289960, 8980790, 9107280, 9237384, 9947952, 10263760, 10776948, 11546730, 12434940, 13471185, 14369264, 15395640, 16165422, 16579920, 17961580, 18474768, 21553896, 23093460, 24869880, 26942370, 30791280, 32330844, 35923160, 40413555, 43107792, 46186920, 49739760, 53884740, 64661688, 71846320, 80827110, 92373840, 107769480, 129323376, 161654220, 215538960, 323308440, 646616880]

約数ペア:

[(1, 646616880), (2, 323308440), (3, 215538960), (4, 161654220), (5, 129323376), (6, 107769480), (7, 92373840), (8, 80827110), (9, 71846320), (10, 64661688), (12, 53884740), (13, 49739760), (14, 46186920), (15, 43107792), (16, 40413555), (18, 35923160), (20, 32330844), (21, 30791280), (24, 26942370), (26, 24869880), (28, 23093460), (30, 21553896), (35, 18474768), (36, 17961580), (39, 16579920), (40, 16165422), (42, 15395640), (45, 14369264), (48, 13471185), (52, 12434940), (56, 11546730), (60, 10776948), (63, 10263760), (65, 9947952), (70, 9237384), (71, 9107280), (72, 8980790), (78, 8289960), (80, 8082711), (84, 7697820), (90, 7184632), (91, 7105680), (104, 6217470), (105, 6158256), (112, 5773365), (117, 5526640), (120, 5388474), (126, 5131880), (130, 4973976), (139, 4651920), (140, 4618692), (142, 4553640), (144, 4490395), (156, 4144980), (168, 3848910), (180, 3592316), (182, 3552840), (195, 3315984), (208, 3108735), (210, 3079128), (213, 3035760), (234, 2763320), (240, 2694237), (252, 2565940), (260, 2486988), (273, 2368560), (278, 2325960), (280, 2309346), (284, 2276820), (312, 2072490), (315, 2052752), (336, 1924455), (355, 1821456), (360, 1796158), (364, 1776420), (390, 1657992), (417, 1550640), (420, 1539564), (426, 1517880), (455, 1421136), (468, 1381660), (497, 1301040), (504, 1282970), (520, 1243494), (546, 1184280), (556, 1162980), (560, 1154673), (568, 1138410), (585, 1105328), (624, 1036245), (630, 1026376), (639, 1011920), (695, 930384), (710, 910728), (720, 898079), (728, 888210), (780, 828996), (819, 789520), (834, 775320), (840, 769782), (852, 758940), (910, 710568), (923, 700560), (936, 690830), (973, 664560), (994, 650520), (1008, 641485), (1040, 621747), (1065, 607152), (1092, 592140), (1112, 581490), (1136, 569205), (1170, 552664), (1251, 516880), (1260, 513188), (1278, 505960), (1365, 473712), (1390, 465192), (1420, 455364), (1456, 444105), (1491, 433680), (1560, 414498), (1638, 394760), (1668, 387660), (1680, 384891), (1704, 379470), (1807, 357840), (1820, 355284), (1846, 350280), (1872, 345415), (1946, 332280), (1988, 325260), (2085, 310128), (2130, 303576), (2184, 296070), (2224, 290745), (2340, 276332), (2485, 260208), (2502, 258440), (2520, 256594), (2556, 252980), (2730, 236856), (2769, 233520), (2780, 232596), (2840, 227682), (2919, 221520), (2982, 216840), (3120, 207249), (3195, 202384), (3276, 197380), (3336, 193830), (3408, 189735), (3614, 178920), (3640, 177642), (3692, 175140), (3892, 166140), (3976, 162630), (4095, 157904), (4170, 155064), (4260, 151788), (4368, 148035), (4473, 144560), (4615, 140112), (4680, 138166), (4865, 132912), (4970, 130104), (5004, 129220), (5040, 128297), (5112, 126490), (5421, 119280), (5460, 118428), (5538, 116760), (5560, 116298), (5680, 113841), (5838, 110760), (5964, 108420), (6255, 103376), (6390, 101192), (6461, 100080), (6552, 98690), (6672, 96915), (7228, 89460), (7280, 88821), (7384, 87570), (7455, 86736), (7784, 83070), (7952, 81315), (8190, 78952), (8307, 77840), (8340, 77532), (8520, 75894), (8757, 73840), (8946, 72280), (9035, 71568), (9230, 70056), (9360, 69083), (9730, 66456), (9869, 65520), (9940, 65052), (10008, 64610), (10224, 63245), (10842, 59640), (10920, 59214), (11076, 58380), (11120, 58149), (11676, 55380), (11928, 54210), (12510, 51688), (12649, 51120), (12780, 50596), (12922, 50040), (13104, 49345), (13845, 46704), (14456, 44730), (14595, 44304), (14768, 43785), (14910, 43368), (15568, 41535), (16263, 39760), (16380, 39476), (16614, 38920), (16680, 38766), (17040, 37947), (17514, 36920), (17892, 36140), (18070, 35784), (18460, 35028), (19383, 33360), (19460, 33228), (19738, 32760), (19880, 32526), (20016, 32305), (21684, 29820), (21840, 29607), (22152, 29190), (22365, 28912), (23352, 27690), (23856, 27105), (25020, 25844), (25298, 25560)]