61689880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4157}}^1$

素因数の和:4228

約数の個数: 64

約数和(自身を含む): 161663040

約数和(自身を除く): 99973160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 4157, 7420, 8314, 14840, 16628, 20785, 29099, 33256, 41570, 58198, 83140, 116396, 145495, 166280, 220321, 232792, 290990, 440642, 581980, 881284, 1101605, 1163960, 1542247, 1762568, 2203210, 3084494, 4406420, 6168988, 7711235, 8812840, 12337976, 15422470, 30844940, 61689880]

約数ペア:

[(1, 61689880), (2, 30844940), (4, 15422470), (5, 12337976), (7, 8812840), (8, 7711235), (10, 6168988), (14, 4406420), (20, 3084494), (28, 2203210), (35, 1762568), (40, 1542247), (53, 1163960), (56, 1101605), (70, 881284), (106, 581980), (140, 440642), (212, 290990), (265, 232792), (280, 220321), (371, 166280), (424, 145495), (530, 116396), (742, 83140), (1060, 58198), (1484, 41570), (1855, 33256), (2120, 29099), (2968, 20785), (3710, 16628), (4157, 14840), (7420, 8314)]