81861780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 384

約数和(自身を含む): 325140480

約数和(自身を除く): 243278700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 29, 30, 33, 35, 39, 42, 44, 47, 52, 55, 58, 60, 65, 66, 70, 77, 78, 84, 87, 91, 94, 105, 110, 116, 130, 132, 140, 141, 143, 145, 154, 156, 165, 174, 182, 188, 195, 203, 210, 220, 231, 235, 260, 273, 282, 286, 290, 308, 319, 329, 330, 348, 364, 377, 385, 390, 406, 420, 429, 435, 455, 462, 470, 517, 546, 564, 572, 580, 609, 611, 638, 658, 660, 705, 715, 754, 770, 780, 812, 858, 870, 910, 924, 940, 957, 987, 1001, 1015, 1034, 1092, 1131, 1155, 1218, 1222, 1276, 1316, 1363, 1365, 1410, 1430, 1508, 1540, 1551, 1595, 1645, 1716, 1740, 1820, 1833, 1885, 1914, 1974, 2002, 2030, 2068, 2145, 2233, 2262, 2310, 2436, 2444, 2585, 2639, 2726, 2730, 2820, 2860, 3003, 3045, 3055, 3102, 3190, 3290, 3619, 3666, 3770, 3828, 3948, 4004, 4060, 4089, 4147, 4277, 4290, 4466, 4524, 4620, 4785, 4935, 5005, 5170, 5278, 5452, 5460, 5655, 6006, 6090, 6110, 6204, 6380, 6580, 6699, 6721, 6815, 7238, 7332, 7540, 7755, 7917, 8178, 8294, 8554, 8580, 8932, 9165, 9541, 9570, 9870, 10010, 10340, 10556, 10857, 11165, 11310, 12012, 12180, 12220, 12441, 12831, 13195, 13398, 13442, 13630, 14476, 14993, 15015, 15510, 15834, 16356, 16588, 17108, 17719, 18095, 18330, 19082, 19140, 19740, 20020, 20163, 20445, 20735, 21385, 21714, 22330, 22620, 24882, 25662, 26390, 26796, 26884, 27260, 28623, 29029, 29986, 30030, 31020, 31668, 33495, 33605, 35438, 36190, 36660, 38164, 39585, 40326, 40890, 41470, 42770, 43428, 44660, 44979, 47047, 47705, 49764, 51324, 52780, 53157, 54285, 57246, 58058, 59972, 60060, 62205, 64155, 66990, 67210, 70876, 72380, 74965, 79170, 80652, 81780, 82940, 85540, 87087, 88595, 89958, 94094, 95410, 100815, 104951, 106314, 108570, 114492, 116116, 124033, 124410, 128310, 133980, 134420, 141141, 143115, 145145, 149930, 158340, 174174, 177190, 179916, 188188, 190820, 194909, 201630, 209902, 212628, 217140, 224895, 235235, 248066, 248820, 256620, 265785, 282282, 286230, 290290, 299860, 314853, 348348, 354380, 372099, 389818, 403260, 419804, 435435, 449790, 470470, 496132, 524755, 531570, 564564, 572460, 580580, 584727, 620165, 629706, 705705, 744198, 779636, 870870, 899580, 940940, 974545, 1049510, 1063140, 1169454, 1240330, 1259412, 1364363, 1411410, 1488396, 1574265, 1741740, 1860495, 1949090, 2099020, 2338908, 2480660, 2728726, 2822820, 2923635, 3148530, 3720990, 3898180, 4093089, 5457452, 5847270, 6297060, 6821815, 7441980, 8186178, 11694540, 13643630, 16372356, 20465445, 27287260, 40930890, 81861780]

約数ペア:

[(1, 81861780), (2, 40930890), (3, 27287260), (4, 20465445), (5, 16372356), (6, 13643630), (7, 11694540), (10, 8186178), (11, 7441980), (12, 6821815), (13, 6297060), (14, 5847270), (15, 5457452), (20, 4093089), (21, 3898180), (22, 3720990), (26, 3148530), (28, 2923635), (29, 2822820), (30, 2728726), (33, 2480660), (35, 2338908), (39, 2099020), (42, 1949090), (44, 1860495), (47, 1741740), (52, 1574265), (55, 1488396), (58, 1411410), (60, 1364363), (65, 1259412), (66, 1240330), (70, 1169454), (77, 1063140), (78, 1049510), (84, 974545), (87, 940940), (91, 899580), (94, 870870), (105, 779636), (110, 744198), (116, 705705), (130, 629706), (132, 620165), (140, 584727), (141, 580580), (143, 572460), (145, 564564), (154, 531570), (156, 524755), (165, 496132), (174, 470470), (182, 449790), (188, 435435), (195, 419804), (203, 403260), (210, 389818), (220, 372099), (231, 354380), (235, 348348), (260, 314853), (273, 299860), (282, 290290), (286, 286230), (290, 282282), (308, 265785), (319, 256620), (329, 248820), (330, 248066), (348, 235235), (364, 224895), (377, 217140), (385, 212628), (390, 209902), (406, 201630), (420, 194909), (429, 190820), (435, 188188), (455, 179916), (462, 177190), (470, 174174), (517, 158340), (546, 149930), (564, 145145), (572, 143115), (580, 141141), (609, 134420), (611, 133980), (638, 128310), (658, 124410), (660, 124033), (705, 116116), (715, 114492), (754, 108570), (770, 106314), (780, 104951), (812, 100815), (858, 95410), (870, 94094), (910, 89958), (924, 88595), (940, 87087), (957, 85540), (987, 82940), (1001, 81780), (1015, 80652), (1034, 79170), (1092, 74965), (1131, 72380), (1155, 70876), (1218, 67210), (1222, 66990), (1276, 64155), (1316, 62205), (1363, 60060), (1365, 59972), (1410, 58058), (1430, 57246), (1508, 54285), (1540, 53157), (1551, 52780), (1595, 51324), (1645, 49764), (1716, 47705), (1740, 47047), (1820, 44979), (1833, 44660), (1885, 43428), (1914, 42770), (1974, 41470), (2002, 40890), (2030, 40326), (2068, 39585), (2145, 38164), (2233, 36660), (2262, 36190), (2310, 35438), (2436, 33605), (2444, 33495), (2585, 31668), (2639, 31020), (2726, 30030), (2730, 29986), (2820, 29029), (2860, 28623), (3003, 27260), (3045, 26884), (3055, 26796), (3102, 26390), (3190, 25662), (3290, 24882), (3619, 22620), (3666, 22330), (3770, 21714), (3828, 21385), (3948, 20735), (4004, 20445), (4060, 20163), (4089, 20020), (4147, 19740), (4277, 19140), (4290, 19082), (4466, 18330), (4524, 18095), (4620, 17719), (4785, 17108), (4935, 16588), (5005, 16356), (5170, 15834), (5278, 15510), (5452, 15015), (5460, 14993), (5655, 14476), (6006, 13630), (6090, 13442), (6110, 13398), (6204, 13195), (6380, 12831), (6580, 12441), (6699, 12220), (6721, 12180), (6815, 12012), (7238, 11310), (7332, 11165), (7540, 10857), (7755, 10556), (7917, 10340), (8178, 10010), (8294, 9870), (8554, 9570), (8580, 9541), (8932, 9165)]