72634640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:568

約数の個数: 80

約数和(自身を含む): 183279936

約数和(自身を除く): 110645296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 211, 260, 331, 422, 520, 662, 844, 1040, 1055, 1324, 1655, 1688, 2110, 2648, 2743, 3310, 3376, 4220, 4303, 5296, 5486, 6620, 8440, 8606, 10972, 13240, 13715, 16880, 17212, 21515, 21944, 26480, 27430, 34424, 43030, 43888, 54860, 68848, 69841, 86060, 109720, 139682, 172120, 219440, 279364, 344240, 349205, 558728, 698410, 907933, 1117456, 1396820, 1815866, 2793640, 3631732, 4539665, 5587280, 7263464, 9079330, 14526928, 18158660, 36317320, 72634640]

約数ペア:

[(1, 72634640), (2, 36317320), (4, 18158660), (5, 14526928), (8, 9079330), (10, 7263464), (13, 5587280), (16, 4539665), (20, 3631732), (26, 2793640), (40, 1815866), (52, 1396820), (65, 1117456), (80, 907933), (104, 698410), (130, 558728), (208, 349205), (211, 344240), (260, 279364), (331, 219440), (422, 172120), (520, 139682), (662, 109720), (844, 86060), (1040, 69841), (1055, 68848), (1324, 54860), (1655, 43888), (1688, 43030), (2110, 34424), (2648, 27430), (2743, 26480), (3310, 21944), (3376, 21515), (4220, 17212), (4303, 16880), (5296, 13715), (5486, 13240), (6620, 10972), (8440, 8606)]