31276920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3671}}^1$

素因数の和:3756

約数の個数: 64

約数和(自身を含む): 95178240

約数和(自身を除く): 63901320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 3671, 4260, 7342, 8520, 11013, 14684, 18355, 22026, 29368, 36710, 44052, 55065, 73420, 88104, 110130, 146840, 220260, 260641, 440520, 521282, 781923, 1042564, 1303205, 1563846, 2085128, 2606410, 3127692, 3909615, 5212820, 6255384, 7819230, 10425640, 15638460, 31276920]

約数ペア:

[(1, 31276920), (2, 15638460), (3, 10425640), (4, 7819230), (5, 6255384), (6, 5212820), (8, 3909615), (10, 3127692), (12, 2606410), (15, 2085128), (20, 1563846), (24, 1303205), (30, 1042564), (40, 781923), (60, 521282), (71, 440520), (120, 260641), (142, 220260), (213, 146840), (284, 110130), (355, 88104), (426, 73420), (568, 55065), (710, 44052), (852, 36710), (1065, 29368), (1420, 22026), (1704, 18355), (2130, 14684), (2840, 11013), (3671, 8520), (4260, 7342)]