138373320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 427680000

約数和(自身を除く): 289306680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 109, 120, 142, 149, 213, 218, 284, 298, 327, 355, 426, 436, 447, 545, 568, 596, 654, 710, 745, 852, 872, 894, 1065, 1090, 1192, 1308, 1420, 1490, 1635, 1704, 1788, 2130, 2180, 2235, 2616, 2840, 2980, 3270, 3576, 4260, 4360, 4470, 5960, 6540, 7739, 8520, 8940, 10579, 13080, 15478, 16241, 17880, 21158, 23217, 30956, 31737, 32482, 38695, 42316, 46434, 48723, 52895, 61912, 63474, 64964, 77390, 81205, 84632, 92868, 97446, 105790, 116085, 126948, 129928, 154780, 158685, 162410, 185736, 194892, 211580, 232170, 243615, 253896, 309560, 317370, 324820, 389784, 423160, 464340, 487230, 634740, 649640, 928680, 974460, 1153111, 1269480, 1948920, 2306222, 3459333, 4612444, 5765555, 6918666, 9224888, 11531110, 13837332, 17296665, 23062220, 27674664, 34593330, 46124440, 69186660, 138373320]

約数ペア:

[(1, 138373320), (2, 69186660), (3, 46124440), (4, 34593330), (5, 27674664), (6, 23062220), (8, 17296665), (10, 13837332), (12, 11531110), (15, 9224888), (20, 6918666), (24, 5765555), (30, 4612444), (40, 3459333), (60, 2306222), (71, 1948920), (109, 1269480), (120, 1153111), (142, 974460), (149, 928680), (213, 649640), (218, 634740), (284, 487230), (298, 464340), (327, 423160), (355, 389784), (426, 324820), (436, 317370), (447, 309560), (545, 253896), (568, 243615), (596, 232170), (654, 211580), (710, 194892), (745, 185736), (852, 162410), (872, 158685), (894, 154780), (1065, 129928), (1090, 126948), (1192, 116085), (1308, 105790), (1420, 97446), (1490, 92868), (1635, 84632), (1704, 81205), (1788, 77390), (2130, 64964), (2180, 63474), (2235, 61912), (2616, 52895), (2840, 48723), (2980, 46434), (3270, 42316), (3576, 38695), (4260, 32482), (4360, 31737), (4470, 30956), (5960, 23217), (6540, 21158), (7739, 17880), (8520, 16241), (8940, 15478), (10579, 13080)]