40639560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 133056000

約数和(自身を除く): 92416440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 109, 120, 130, 156, 195, 218, 239, 260, 312, 327, 390, 436, 478, 520, 545, 654, 717, 780, 872, 956, 1090, 1195, 1308, 1417, 1434, 1560, 1635, 1912, 2180, 2390, 2616, 2834, 2868, 3107, 3270, 3585, 4251, 4360, 4780, 5668, 5736, 6214, 6540, 7085, 7170, 8502, 9321, 9560, 11336, 12428, 13080, 14170, 14340, 15535, 17004, 18642, 21255, 24856, 26051, 28340, 28680, 31070, 34008, 37284, 42510, 46605, 52102, 56680, 62140, 74568, 78153, 85020, 93210, 104204, 124280, 130255, 156306, 170040, 186420, 208408, 260510, 312612, 338663, 372840, 390765, 521020, 625224, 677326, 781530, 1015989, 1042040, 1354652, 1563060, 1693315, 2031978, 2709304, 3126120, 3386630, 4063956, 5079945, 6773260, 8127912, 10159890, 13546520, 20319780, 40639560]

約数ペア:

[(1, 40639560), (2, 20319780), (3, 13546520), (4, 10159890), (5, 8127912), (6, 6773260), (8, 5079945), (10, 4063956), (12, 3386630), (13, 3126120), (15, 2709304), (20, 2031978), (24, 1693315), (26, 1563060), (30, 1354652), (39, 1042040), (40, 1015989), (52, 781530), (60, 677326), (65, 625224), (78, 521020), (104, 390765), (109, 372840), (120, 338663), (130, 312612), (156, 260510), (195, 208408), (218, 186420), (239, 170040), (260, 156306), (312, 130255), (327, 124280), (390, 104204), (436, 93210), (478, 85020), (520, 78153), (545, 74568), (654, 62140), (717, 56680), (780, 52102), (872, 46605), (956, 42510), (1090, 37284), (1195, 34008), (1308, 31070), (1417, 28680), (1434, 28340), (1560, 26051), (1635, 24856), (1912, 21255), (2180, 18642), (2390, 17004), (2616, 15535), (2834, 14340), (2868, 14170), (3107, 13080), (3270, 12428), (3585, 11336), (4251, 9560), (4360, 9321), (4780, 8502), (5668, 7170), (5736, 7085), (6214, 6540)]