1287920960

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{48491}}^1$

素因数の和:48591

約数の個数: 56

約数和(自身を含む): 3103875936

約数和(自身を除く): 1815954976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 5312, 6640, 13280, 26560, 48491, 96982, 193964, 242455, 387928, 484910, 775856, 969820, 1551712, 1939640, 3103424, 3879280, 4024753, 7758560, 8049506, 15517120, 16099012, 20123765, 32198024, 40247530, 64396048, 80495060, 128792096, 160990120, 257584192, 321980240, 643960480, 1287920960]

約数ペア:

[(1, 1287920960), (2, 643960480), (4, 321980240), (5, 257584192), (8, 160990120), (10, 128792096), (16, 80495060), (20, 64396048), (32, 40247530), (40, 32198024), (64, 20123765), (80, 16099012), (83, 15517120), (160, 8049506), (166, 7758560), (320, 4024753), (332, 3879280), (415, 3103424), (664, 1939640), (830, 1551712), (1328, 969820), (1660, 775856), (2656, 484910), (3320, 387928), (5312, 242455), (6640, 193964), (13280, 96982), (26560, 48491)]