31396960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 90980064

約数和(自身を除く): 59583104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 97, 112, 119, 136, 140, 160, 170, 194, 224, 238, 272, 280, 289, 340, 388, 476, 485, 544, 560, 578, 595, 679, 680, 776, 952, 970, 1120, 1156, 1190, 1358, 1360, 1445, 1552, 1649, 1904, 1940, 2023, 2312, 2380, 2716, 2720, 2890, 3104, 3298, 3395, 3808, 3880, 4046, 4624, 4760, 5432, 5780, 6596, 6790, 7760, 8092, 8245, 9248, 9520, 10115, 10864, 11543, 11560, 13192, 13580, 15520, 16184, 16490, 19040, 20230, 21728, 23086, 23120, 26384, 27160, 28033, 32368, 32980, 40460, 46172, 46240, 52768, 54320, 56066, 57715, 64736, 65960, 80920, 92344, 108640, 112132, 115430, 131920, 140165, 161840, 184688, 196231, 224264, 230860, 263840, 280330, 323680, 369376, 392462, 448528, 461720, 560660, 784924, 897056, 923440, 981155, 1121320, 1569848, 1846880, 1962310, 2242640, 3139696, 3924620, 4485280, 6279392, 7849240, 15698480, 31396960]

約数ペア:

[(1, 31396960), (2, 15698480), (4, 7849240), (5, 6279392), (7, 4485280), (8, 3924620), (10, 3139696), (14, 2242640), (16, 1962310), (17, 1846880), (20, 1569848), (28, 1121320), (32, 981155), (34, 923440), (35, 897056), (40, 784924), (56, 560660), (68, 461720), (70, 448528), (80, 392462), (85, 369376), (97, 323680), (112, 280330), (119, 263840), (136, 230860), (140, 224264), (160, 196231), (170, 184688), (194, 161840), (224, 140165), (238, 131920), (272, 115430), (280, 112132), (289, 108640), (340, 92344), (388, 80920), (476, 65960), (485, 64736), (544, 57715), (560, 56066), (578, 54320), (595, 52768), (679, 46240), (680, 46172), (776, 40460), (952, 32980), (970, 32368), (1120, 28033), (1156, 27160), (1190, 26384), (1358, 23120), (1360, 23086), (1445, 21728), (1552, 20230), (1649, 19040), (1904, 16490), (1940, 16184), (2023, 15520), (2312, 13580), (2380, 13192), (2716, 11560), (2720, 11543), (2890, 10864), (3104, 10115), (3298, 9520), (3395, 9248), (3808, 8245), (3880, 8092), (4046, 7760), (4624, 6790), (4760, 6596), (5432, 5780)]