31357620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:670

約数の個数: 144

約数和(自身を含む): 111541248

約数和(自身を除く): 80183628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 369, 410, 420, 492, 574, 607, 615, 630, 738, 820, 861, 1148, 1214, 1230, 1260, 1435, 1476, 1722, 1821, 1845, 2428, 2460, 2583, 2870, 3035, 3444, 3642, 3690, 4249, 4305, 5166, 5463, 5740, 6070, 7284, 7380, 8498, 8610, 9105, 10332, 10926, 12140, 12747, 12915, 16996, 17220, 18210, 21245, 21852, 24887, 25494, 25830, 27315, 36420, 38241, 42490, 49774, 50988, 51660, 54630, 63735, 74661, 76482, 84980, 99548, 109260, 124435, 127470, 149322, 152964, 174209, 191205, 223983, 248870, 254940, 298644, 348418, 373305, 382410, 447966, 497740, 522627, 696836, 746610, 764820, 871045, 895932, 1045254, 1119915, 1493220, 1567881, 1742090, 2090508, 2239830, 2613135, 3135762, 3484180, 4479660, 5226270, 6271524, 7839405, 10452540, 15678810, 31357620]

約数ペア:

[(1, 31357620), (2, 15678810), (3, 10452540), (4, 7839405), (5, 6271524), (6, 5226270), (7, 4479660), (9, 3484180), (10, 3135762), (12, 2613135), (14, 2239830), (15, 2090508), (18, 1742090), (20, 1567881), (21, 1493220), (28, 1119915), (30, 1045254), (35, 895932), (36, 871045), (41, 764820), (42, 746610), (45, 696836), (60, 522627), (63, 497740), (70, 447966), (82, 382410), (84, 373305), (90, 348418), (105, 298644), (123, 254940), (126, 248870), (140, 223983), (164, 191205), (180, 174209), (205, 152964), (210, 149322), (246, 127470), (252, 124435), (287, 109260), (315, 99548), (369, 84980), (410, 76482), (420, 74661), (492, 63735), (574, 54630), (607, 51660), (615, 50988), (630, 49774), (738, 42490), (820, 38241), (861, 36420), (1148, 27315), (1214, 25830), (1230, 25494), (1260, 24887), (1435, 21852), (1476, 21245), (1722, 18210), (1821, 17220), (1845, 16996), (2428, 12915), (2460, 12747), (2583, 12140), (2870, 10926), (3035, 10332), (3444, 9105), (3642, 8610), (3690, 8498), (4249, 7380), (4305, 7284), (5166, 6070), (5463, 5740)]