231658140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1949}}^1$

素因数の和:2251

約数の個数: 96

約数和(自身を含む): 744307200

約数和(自身を除く): 512649060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 283, 420, 566, 849, 1132, 1415, 1698, 1949, 1981, 2830, 3396, 3898, 3962, 4245, 5660, 5847, 5943, 7796, 7924, 8490, 9745, 9905, 11694, 11886, 13643, 16980, 19490, 19810, 23388, 23772, 27286, 29235, 29715, 38980, 39620, 40929, 54572, 58470, 59430, 68215, 81858, 116940, 118860, 136430, 163716, 204645, 272860, 409290, 551567, 818580, 1103134, 1654701, 2206268, 2757835, 3309402, 3860969, 5515670, 6618804, 7721938, 8273505, 11031340, 11582907, 15443876, 16547010, 19304845, 23165814, 33094020, 38609690, 46331628, 57914535, 77219380, 115829070, 231658140]

約数ペア:

[(1, 231658140), (2, 115829070), (3, 77219380), (4, 57914535), (5, 46331628), (6, 38609690), (7, 33094020), (10, 23165814), (12, 19304845), (14, 16547010), (15, 15443876), (20, 11582907), (21, 11031340), (28, 8273505), (30, 7721938), (35, 6618804), (42, 5515670), (60, 3860969), (70, 3309402), (84, 2757835), (105, 2206268), (140, 1654701), (210, 1103134), (283, 818580), (420, 551567), (566, 409290), (849, 272860), (1132, 204645), (1415, 163716), (1698, 136430), (1949, 118860), (1981, 116940), (2830, 81858), (3396, 68215), (3898, 59430), (3962, 58470), (4245, 54572), (5660, 40929), (5847, 39620), (5943, 38980), (7796, 29715), (7924, 29235), (8490, 27286), (9745, 23772), (9905, 23388), (11694, 19810), (11886, 19490), (13643, 16980)]