122541640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 318528000

約数和(自身を除く): 195986360

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 79, 95, 104, 130, 152, 157, 158, 190, 247, 260, 314, 316, 380, 395, 494, 520, 628, 632, 760, 785, 790, 988, 1027, 1235, 1256, 1501, 1570, 1580, 1976, 2041, 2054, 2470, 2983, 3002, 3140, 3160, 4082, 4108, 4940, 5135, 5966, 6004, 6280, 7505, 8164, 8216, 9880, 10205, 10270, 11932, 12008, 12403, 14915, 15010, 16328, 19513, 20410, 20540, 23864, 24806, 29830, 30020, 38779, 39026, 40820, 41080, 49612, 59660, 60040, 62015, 77558, 78052, 81640, 97565, 99224, 119320, 124030, 155116, 156104, 161239, 193895, 195130, 235657, 248060, 310232, 322478, 387790, 390260, 471314, 496120, 644956, 775580, 780520, 806195, 942628, 1178285, 1289912, 1551160, 1612390, 1885256, 2356570, 3063541, 3224780, 4713140, 6127082, 6449560, 9426280, 12254164, 15317705, 24508328, 30635410, 61270820, 122541640]

約数ペア:

[(1, 122541640), (2, 61270820), (4, 30635410), (5, 24508328), (8, 15317705), (10, 12254164), (13, 9426280), (19, 6449560), (20, 6127082), (26, 4713140), (38, 3224780), (40, 3063541), (52, 2356570), (65, 1885256), (76, 1612390), (79, 1551160), (95, 1289912), (104, 1178285), (130, 942628), (152, 806195), (157, 780520), (158, 775580), (190, 644956), (247, 496120), (260, 471314), (314, 390260), (316, 387790), (380, 322478), (395, 310232), (494, 248060), (520, 235657), (628, 195130), (632, 193895), (760, 161239), (785, 156104), (790, 155116), (988, 124030), (1027, 119320), (1235, 99224), (1256, 97565), (1501, 81640), (1570, 78052), (1580, 77558), (1976, 62015), (2041, 60040), (2054, 59660), (2470, 49612), (2983, 41080), (3002, 40820), (3140, 39026), (3160, 38779), (4082, 30020), (4108, 29830), (4940, 24806), (5135, 23864), (5966, 20540), (6004, 20410), (6280, 19513), (7505, 16328), (8164, 15010), (8216, 14915), (9880, 12403), (10205, 12008), (10270, 11932)]