31312890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2161}}^1$

素因数の和:2204

約数の個数: 96

約数和(自身を含む): 97134336

約数和(自身を除く): 65821446

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 63, 69, 70, 90, 105, 115, 126, 138, 161, 207, 210, 230, 315, 322, 345, 414, 483, 630, 690, 805, 966, 1035, 1449, 1610, 2070, 2161, 2415, 2898, 4322, 4830, 6483, 7245, 10805, 12966, 14490, 15127, 19449, 21610, 30254, 32415, 38898, 45381, 49703, 64830, 75635, 90762, 97245, 99406, 136143, 149109, 151270, 194490, 226905, 248515, 272286, 298218, 347921, 447327, 453810, 497030, 680715, 695842, 745545, 894654, 1043763, 1361430, 1491090, 1739605, 2087526, 2236635, 3131289, 3479210, 4473270, 5218815, 6262578, 10437630, 15656445, 31312890]

約数ペア:

[(1, 31312890), (2, 15656445), (3, 10437630), (5, 6262578), (6, 5218815), (7, 4473270), (9, 3479210), (10, 3131289), (14, 2236635), (15, 2087526), (18, 1739605), (21, 1491090), (23, 1361430), (30, 1043763), (35, 894654), (42, 745545), (45, 695842), (46, 680715), (63, 497030), (69, 453810), (70, 447327), (90, 347921), (105, 298218), (115, 272286), (126, 248515), (138, 226905), (161, 194490), (207, 151270), (210, 149109), (230, 136143), (315, 99406), (322, 97245), (345, 90762), (414, 75635), (483, 64830), (630, 49703), (690, 45381), (805, 38898), (966, 32415), (1035, 30254), (1449, 21610), (1610, 19449), (2070, 15127), (2161, 14490), (2415, 12966), (2898, 10805), (4322, 7245), (4830, 6483)]