1268393960

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1\times {\mathrm{563}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 2885604480

約数和(自身を除く): 1617210520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 373, 563, 604, 746, 755, 1126, 1208, 1492, 1510, 1865, 2252, 2815, 2984, 3020, 3730, 4504, 5630, 6040, 7460, 11260, 14920, 22520, 56323, 85013, 112646, 170026, 209999, 225292, 281615, 340052, 419998, 425065, 450584, 563230, 680104, 839996, 850130, 1049995, 1126460, 1679992, 1700260, 2099990, 2252920, 3400520, 4199980, 8399960, 31709849, 63419698, 126839396, 158549245, 253678792, 317098490, 634196980, 1268393960]

約数ペア:

[(1, 1268393960), (2, 634196980), (4, 317098490), (5, 253678792), (8, 158549245), (10, 126839396), (20, 63419698), (40, 31709849), (151, 8399960), (302, 4199980), (373, 3400520), (563, 2252920), (604, 2099990), (746, 1700260), (755, 1679992), (1126, 1126460), (1208, 1049995), (1492, 850130), (1510, 839996), (1865, 680104), (2252, 563230), (2815, 450584), (2984, 425065), (3020, 419998), (3730, 340052), (4504, 281615), (5630, 225292), (6040, 209999), (7460, 170026), (11260, 112646), (14920, 85013), (22520, 56323)]