31000080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3491}}^1$

素因数の和:3544

約数の個数: 80

約数和(自身を含む): 98725824

約数和(自身を除く): 67725744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 3491, 4440, 6982, 8880, 10473, 13964, 17455, 20946, 27928, 34910, 41892, 52365, 55856, 69820, 83784, 104730, 129167, 139640, 167568, 209460, 258334, 279280, 387501, 418920, 516668, 645835, 775002, 837840, 1033336, 1291670, 1550004, 1937505, 2066672, 2583340, 3100008, 3875010, 5166680, 6200016, 7750020, 10333360, 15500040, 31000080]

約数ペア:

[(1, 31000080), (2, 15500040), (3, 10333360), (4, 7750020), (5, 6200016), (6, 5166680), (8, 3875010), (10, 3100008), (12, 2583340), (15, 2066672), (16, 1937505), (20, 1550004), (24, 1291670), (30, 1033336), (37, 837840), (40, 775002), (48, 645835), (60, 516668), (74, 418920), (80, 387501), (111, 279280), (120, 258334), (148, 209460), (185, 167568), (222, 139640), (240, 129167), (296, 104730), (370, 83784), (444, 69820), (555, 55856), (592, 52365), (740, 41892), (888, 34910), (1110, 27928), (1480, 20946), (1776, 17455), (2220, 13964), (2960, 10473), (3491, 8880), (4440, 6982)]