64139680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3313}}^1$

素因数の和:3350

約数の個数: 72

約数和(自身を含む): 166608036

約数和(自身を除く): 102468356

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3313, 3872, 4840, 6626, 9680, 13252, 16565, 19360, 26504, 33130, 36443, 53008, 66260, 72886, 106016, 132520, 145772, 182215, 265040, 291544, 364430, 400873, 530080, 583088, 728860, 801746, 1166176, 1457720, 1603492, 2004365, 2915440, 3206984, 4008730, 5830880, 6413968, 8017460, 12827936, 16034920, 32069840, 64139680]

約数ペア:

[(1, 64139680), (2, 32069840), (4, 16034920), (5, 12827936), (8, 8017460), (10, 6413968), (11, 5830880), (16, 4008730), (20, 3206984), (22, 2915440), (32, 2004365), (40, 1603492), (44, 1457720), (55, 1166176), (80, 801746), (88, 728860), (110, 583088), (121, 530080), (160, 400873), (176, 364430), (220, 291544), (242, 265040), (352, 182215), (440, 145772), (484, 132520), (605, 106016), (880, 72886), (968, 66260), (1210, 53008), (1760, 36443), (1936, 33130), (2420, 26504), (3313, 19360), (3872, 16565), (4840, 13252), (6626, 9680)]