256609080

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1$

素因数の和:420

約数の個数: 384

約数和(自身を含む): 1074427200

約数和(自身を除く): 817818120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 49, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 98, 104, 105, 108, 117, 120, 126, 130, 135, 140, 147, 156, 168, 180, 182, 189, 195, 196, 210, 216, 234, 245, 252, 260, 270, 273, 280, 294, 312, 315, 351, 360, 364, 373, 378, 390, 392, 420, 441, 455, 468, 490, 504, 520, 540, 546, 585, 588, 630, 637, 702, 728, 735, 746, 756, 780, 819, 840, 882, 910, 936, 945, 980, 1080, 1092, 1119, 1170, 1176, 1260, 1274, 1323, 1365, 1404, 1470, 1492, 1512, 1560, 1638, 1755, 1764, 1820, 1865, 1890, 1911, 1960, 2184, 2205, 2238, 2340, 2457, 2520, 2548, 2611, 2646, 2730, 2808, 2940, 2984, 3185, 3276, 3357, 3510, 3528, 3640, 3730, 3780, 3822, 4095, 4410, 4476, 4680, 4849, 4914, 5096, 5222, 5292, 5460, 5595, 5733, 5880, 6370, 6552, 6615, 6714, 7020, 7460, 7560, 7644, 7833, 8190, 8820, 8952, 9555, 9698, 9828, 10071, 10444, 10584, 10920, 11190, 11466, 12285, 12740, 13055, 13230, 13428, 14040, 14547, 14920, 15288, 15666, 16380, 16785, 17199, 17640, 18277, 19110, 19396, 19656, 20142, 20888, 22380, 22932, 23499, 24245, 24570, 25480, 26110, 26460, 26856, 28665, 29094, 31332, 32760, 33570, 33943, 34398, 36554, 38220, 38792, 39165, 40284, 43641, 44760, 45864, 46998, 48490, 49140, 50355, 52220, 52920, 54831, 57330, 58188, 62664, 67140, 67886, 68796, 70497, 72735, 73108, 76440, 78330, 80568, 85995, 87282, 91385, 93996, 96980, 98280, 100710, 101829, 104440, 109662, 114660, 116376, 117495, 130923, 134280, 135772, 137592, 140994, 145470, 146216, 156660, 164493, 169715, 171990, 174564, 182770, 187992, 193960, 201420, 203658, 218205, 219324, 229320, 234990, 237601, 261846, 271544, 274155, 281988, 290940, 305487, 313320, 328986, 339430, 343980, 349128, 352485, 365540, 402840, 407316, 436410, 438648, 469980, 475202, 493479, 509145, 523692, 548310, 563976, 581880, 610974, 654615, 657972, 678860, 687960, 704970, 712803, 731080, 814632, 822465, 872820, 916461, 939960, 950404, 986958, 1018290, 1047384, 1096620, 1188005, 1221948, 1309230, 1315944, 1357720, 1409940, 1425606, 1527435, 1644930, 1745640, 1832922, 1900808, 1973916, 2036580, 2138409, 2193240, 2376010, 2443896, 2467395, 2618460, 2819880, 2851212, 3054870, 3289860, 3564015, 3665844, 3947832, 4073160, 4276818, 4582305, 4752020, 4934790, 5236920, 5702424, 6109740, 6415227, 6579720, 7128030, 7331688, 8553636, 9164610, 9504040, 9869580, 10692045, 12219480, 12830454, 14256060, 17107272, 18329220, 19739160, 21384090, 25660908, 28512120, 32076135, 36658440, 42768180, 51321816, 64152270, 85536360, 128304540, 256609080]

約数ペア:

[(1, 256609080), (2, 128304540), (3, 85536360), (4, 64152270), (5, 51321816), (6, 42768180), (7, 36658440), (8, 32076135), (9, 28512120), (10, 25660908), (12, 21384090), (13, 19739160), (14, 18329220), (15, 17107272), (18, 14256060), (20, 12830454), (21, 12219480), (24, 10692045), (26, 9869580), (27, 9504040), (28, 9164610), (30, 8553636), (35, 7331688), (36, 7128030), (39, 6579720), (40, 6415227), (42, 6109740), (45, 5702424), (49, 5236920), (52, 4934790), (54, 4752020), (56, 4582305), (60, 4276818), (63, 4073160), (65, 3947832), (70, 3665844), (72, 3564015), (78, 3289860), (84, 3054870), (90, 2851212), (91, 2819880), (98, 2618460), (104, 2467395), (105, 2443896), (108, 2376010), (117, 2193240), (120, 2138409), (126, 2036580), (130, 1973916), (135, 1900808), (140, 1832922), (147, 1745640), (156, 1644930), (168, 1527435), (180, 1425606), (182, 1409940), (189, 1357720), (195, 1315944), (196, 1309230), (210, 1221948), (216, 1188005), (234, 1096620), (245, 1047384), (252, 1018290), (260, 986958), (270, 950404), (273, 939960), (280, 916461), (294, 872820), (312, 822465), (315, 814632), (351, 731080), (360, 712803), (364, 704970), (373, 687960), (378, 678860), (390, 657972), (392, 654615), (420, 610974), (441, 581880), (455, 563976), (468, 548310), (490, 523692), (504, 509145), (520, 493479), (540, 475202), (546, 469980), (585, 438648), (588, 436410), (630, 407316), (637, 402840), (702, 365540), (728, 352485), (735, 349128), (746, 343980), (756, 339430), (780, 328986), (819, 313320), (840, 305487), (882, 290940), (910, 281988), (936, 274155), (945, 271544), (980, 261846), (1080, 237601), (1092, 234990), (1119, 229320), (1170, 219324), (1176, 218205), (1260, 203658), (1274, 201420), (1323, 193960), (1365, 187992), (1404, 182770), (1470, 174564), (1492, 171990), (1512, 169715), (1560, 164493), (1638, 156660), (1755, 146216), (1764, 145470), (1820, 140994), (1865, 137592), (1890, 135772), (1911, 134280), (1960, 130923), (2184, 117495), (2205, 116376), (2238, 114660), (2340, 109662), (2457, 104440), (2520, 101829), (2548, 100710), (2611, 98280), (2646, 96980), (2730, 93996), (2808, 91385), (2940, 87282), (2984, 85995), (3185, 80568), (3276, 78330), (3357, 76440), (3510, 73108), (3528, 72735), (3640, 70497), (3730, 68796), (3780, 67886), (3822, 67140), (4095, 62664), (4410, 58188), (4476, 57330), (4680, 54831), (4849, 52920), (4914, 52220), (5096, 50355), (5222, 49140), (5292, 48490), (5460, 46998), (5595, 45864), (5733, 44760), (5880, 43641), (6370, 40284), (6552, 39165), (6615, 38792), (6714, 38220), (7020, 36554), (7460, 34398), (7560, 33943), (7644, 33570), (7833, 32760), (8190, 31332), (8820, 29094), (8952, 28665), (9555, 26856), (9698, 26460), (9828, 26110), (10071, 25480), (10444, 24570), (10584, 24245), (10920, 23499), (11190, 22932), (11466, 22380), (12285, 20888), (12740, 20142), (13055, 19656), (13230, 19396), (13428, 19110), (14040, 18277), (14547, 17640), (14920, 17199), (15288, 16785), (15666, 16380)]