64906880

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2741}}^1$

素因数の和:2797

約数の個数: 64

約数和(自身を含む): 159419880

約数和(自身を除く): 94513000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2368, 2741, 2960, 4736, 5482, 5920, 10964, 11840, 13705, 21928, 23680, 27410, 43856, 54820, 87712, 101417, 109640, 175424, 202834, 219280, 350848, 405668, 438560, 507085, 811336, 877120, 1014170, 1622672, 1754240, 2028340, 3245344, 4056680, 6490688, 8113360, 12981376, 16226720, 32453440, 64906880]

約数ペア:

[(1, 64906880), (2, 32453440), (4, 16226720), (5, 12981376), (8, 8113360), (10, 6490688), (16, 4056680), (20, 3245344), (32, 2028340), (37, 1754240), (40, 1622672), (64, 1014170), (74, 877120), (80, 811336), (128, 507085), (148, 438560), (160, 405668), (185, 350848), (296, 219280), (320, 202834), (370, 175424), (592, 109640), (640, 101417), (740, 87712), (1184, 54820), (1480, 43856), (2368, 27410), (2741, 23680), (2960, 21928), (4736, 13705), (5482, 11840), (5920, 10964)]