61264840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16831}}^1$

素因数の和:16862

約数の個数: 64

約数和(自身を含む): 169666560

約数和(自身を除く): 108401720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 16831, 33662, 67324, 84155, 117817, 134648, 168310, 218803, 235634, 336620, 437606, 471268, 589085, 673240, 875212, 942536, 1094015, 1178170, 1531621, 1750424, 2188030, 2356340, 3063242, 4376060, 4712680, 6126484, 7658105, 8752120, 12252968, 15316210, 30632420, 61264840]

約数ペア:

[(1, 61264840), (2, 30632420), (4, 15316210), (5, 12252968), (7, 8752120), (8, 7658105), (10, 6126484), (13, 4712680), (14, 4376060), (20, 3063242), (26, 2356340), (28, 2188030), (35, 1750424), (40, 1531621), (52, 1178170), (56, 1094015), (65, 942536), (70, 875212), (91, 673240), (104, 589085), (130, 471268), (140, 437606), (182, 336620), (260, 235634), (280, 218803), (364, 168310), (455, 134648), (520, 117817), (728, 84155), (910, 67324), (1820, 33662), (3640, 16831)]