31445680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 84262464

約数和(自身を除く): 52816784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 233, 241, 280, 466, 482, 560, 932, 964, 1165, 1205, 1631, 1687, 1864, 1928, 2330, 2410, 3262, 3374, 3728, 3856, 4660, 4820, 6524, 6748, 8155, 8435, 9320, 9640, 13048, 13496, 16310, 16870, 18640, 19280, 26096, 26992, 32620, 33740, 56153, 65240, 67480, 112306, 130480, 134960, 224612, 280765, 393071, 449224, 561530, 786142, 898448, 1123060, 1572284, 1965355, 2246120, 3144568, 3930710, 4492240, 6289136, 7861420, 15722840, 31445680]

約数ペア:

[(1, 31445680), (2, 15722840), (4, 7861420), (5, 6289136), (7, 4492240), (8, 3930710), (10, 3144568), (14, 2246120), (16, 1965355), (20, 1572284), (28, 1123060), (35, 898448), (40, 786142), (56, 561530), (70, 449224), (80, 393071), (112, 280765), (140, 224612), (233, 134960), (241, 130480), (280, 112306), (466, 67480), (482, 65240), (560, 56153), (932, 33740), (964, 32620), (1165, 26992), (1205, 26096), (1631, 19280), (1687, 18640), (1864, 16870), (1928, 16310), (2330, 13496), (2410, 13048), (3262, 9640), (3374, 9320), (3728, 8435), (3856, 8155), (4660, 6748), (4820, 6524)]