31354680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 108633600

約数和(自身を除く): 77278920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 163, 168, 210, 229, 280, 326, 420, 458, 489, 652, 687, 815, 840, 916, 978, 1141, 1145, 1304, 1374, 1603, 1630, 1832, 1956, 2282, 2290, 2445, 2748, 3206, 3260, 3423, 3435, 3912, 4564, 4580, 4809, 4890, 5496, 5705, 6412, 6520, 6846, 6870, 8015, 9128, 9160, 9618, 9780, 11410, 12824, 13692, 13740, 16030, 17115, 19236, 19560, 22820, 24045, 27384, 27480, 32060, 34230, 37327, 38472, 45640, 48090, 64120, 68460, 74654, 96180, 111981, 136920, 149308, 186635, 192360, 223962, 261289, 298616, 373270, 447924, 522578, 559905, 746540, 783867, 895848, 1045156, 1119810, 1306445, 1493080, 1567734, 2090312, 2239620, 2612890, 3135468, 3919335, 4479240, 5225780, 6270936, 7838670, 10451560, 15677340, 31354680]

約数ペア:

[(1, 31354680), (2, 15677340), (3, 10451560), (4, 7838670), (5, 6270936), (6, 5225780), (7, 4479240), (8, 3919335), (10, 3135468), (12, 2612890), (14, 2239620), (15, 2090312), (20, 1567734), (21, 1493080), (24, 1306445), (28, 1119810), (30, 1045156), (35, 895848), (40, 783867), (42, 746540), (56, 559905), (60, 522578), (70, 447924), (84, 373270), (105, 298616), (120, 261289), (140, 223962), (163, 192360), (168, 186635), (210, 149308), (229, 136920), (280, 111981), (326, 96180), (420, 74654), (458, 68460), (489, 64120), (652, 48090), (687, 45640), (815, 38472), (840, 37327), (916, 34230), (978, 32060), (1141, 27480), (1145, 27384), (1304, 24045), (1374, 22820), (1603, 19560), (1630, 19236), (1832, 17115), (1956, 16030), (2282, 13740), (2290, 13692), (2445, 12824), (2748, 11410), (3206, 9780), (3260, 9618), (3423, 9160), (3435, 9128), (3912, 8015), (4564, 6870), (4580, 6846), (4809, 6520), (4890, 6412), (5496, 5705)]