68657680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9431}}^1$

素因数の和:9464

約数の個数: 80

約数和(自身を含む): 196487424

約数和(自身を除く): 127829744

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 9431, 18862, 37724, 47155, 66017, 75448, 94310, 122603, 132034, 150896, 188620, 245206, 264068, 330085, 377240, 490412, 528136, 613015, 660170, 754480, 858221, 980824, 1056272, 1226030, 1320340, 1716442, 1961648, 2452060, 2640680, 3432884, 4291105, 4904120, 5281360, 6865768, 8582210, 9808240, 13731536, 17164420, 34328840, 68657680]

約数ペア:

[(1, 68657680), (2, 34328840), (4, 17164420), (5, 13731536), (7, 9808240), (8, 8582210), (10, 6865768), (13, 5281360), (14, 4904120), (16, 4291105), (20, 3432884), (26, 2640680), (28, 2452060), (35, 1961648), (40, 1716442), (52, 1320340), (56, 1226030), (65, 1056272), (70, 980824), (80, 858221), (91, 754480), (104, 660170), (112, 613015), (130, 528136), (140, 490412), (182, 377240), (208, 330085), (260, 264068), (280, 245206), (364, 188620), (455, 150896), (520, 132034), (560, 122603), (728, 94310), (910, 75448), (1040, 66017), (1456, 47155), (1820, 37724), (3640, 18862), (7280, 9431)]