255456120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1685

約数の個数: 128

約数和(自身を含む): 809994240

約数和(自身を除く): 554538120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 86, 93, 120, 124, 129, 155, 172, 186, 215, 248, 258, 310, 344, 372, 430, 465, 516, 620, 645, 744, 860, 930, 1032, 1240, 1290, 1333, 1597, 1720, 1860, 2580, 2666, 3194, 3720, 3999, 4791, 5160, 5332, 6388, 6665, 7985, 7998, 9582, 10664, 12776, 13330, 15970, 15996, 19164, 19995, 23955, 26660, 31940, 31992, 38328, 39990, 47910, 49507, 53320, 63880, 68671, 79980, 95820, 99014, 137342, 148521, 159960, 191640, 198028, 206013, 247535, 274684, 297042, 343355, 396056, 412026, 495070, 549368, 594084, 686710, 742605, 824052, 990140, 1030065, 1188168, 1373420, 1485210, 1648104, 1980280, 2060130, 2128801, 2746840, 2970420, 4120260, 4257602, 5940840, 6386403, 8240520, 8515204, 10644005, 12772806, 17030408, 21288010, 25545612, 31932015, 42576020, 51091224, 63864030, 85152040, 127728060, 255456120]

約数ペア:

[(1, 255456120), (2, 127728060), (3, 85152040), (4, 63864030), (5, 51091224), (6, 42576020), (8, 31932015), (10, 25545612), (12, 21288010), (15, 17030408), (20, 12772806), (24, 10644005), (30, 8515204), (31, 8240520), (40, 6386403), (43, 5940840), (60, 4257602), (62, 4120260), (86, 2970420), (93, 2746840), (120, 2128801), (124, 2060130), (129, 1980280), (155, 1648104), (172, 1485210), (186, 1373420), (215, 1188168), (248, 1030065), (258, 990140), (310, 824052), (344, 742605), (372, 686710), (430, 594084), (465, 549368), (516, 495070), (620, 412026), (645, 396056), (744, 343355), (860, 297042), (930, 274684), (1032, 247535), (1240, 206013), (1290, 198028), (1333, 191640), (1597, 159960), (1720, 148521), (1860, 137342), (2580, 99014), (2666, 95820), (3194, 79980), (3720, 68671), (3999, 63880), (4791, 53320), (5160, 49507), (5332, 47910), (6388, 39990), (6665, 38328), (7985, 31992), (7998, 31940), (9582, 26660), (10664, 23955), (12776, 19995), (13330, 19164), (15970, 15996)]