64144240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:598

約数の個数: 80

約数和(自身を含む): 158132736

約数和(自身を除く): 93988496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 71, 80, 92, 115, 142, 184, 230, 284, 355, 368, 460, 491, 568, 710, 920, 982, 1136, 1420, 1633, 1840, 1964, 2455, 2840, 3266, 3928, 4910, 5680, 6532, 7856, 8165, 9820, 11293, 13064, 16330, 19640, 22586, 26128, 32660, 34861, 39280, 45172, 56465, 65320, 69722, 90344, 112930, 130640, 139444, 174305, 180688, 225860, 278888, 348610, 451720, 557776, 697220, 801803, 903440, 1394440, 1603606, 2788880, 3207212, 4009015, 6414424, 8018030, 12828848, 16036060, 32072120, 64144240]

約数ペア:

[(1, 64144240), (2, 32072120), (4, 16036060), (5, 12828848), (8, 8018030), (10, 6414424), (16, 4009015), (20, 3207212), (23, 2788880), (40, 1603606), (46, 1394440), (71, 903440), (80, 801803), (92, 697220), (115, 557776), (142, 451720), (184, 348610), (230, 278888), (284, 225860), (355, 180688), (368, 174305), (460, 139444), (491, 130640), (568, 112930), (710, 90344), (920, 69722), (982, 65320), (1136, 56465), (1420, 45172), (1633, 39280), (1840, 34861), (1964, 32660), (2455, 26128), (2840, 22586), (3266, 19640), (3928, 16330), (4910, 13064), (5680, 11293), (6532, 9820), (7856, 8165)]