31828860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{25261}}^1$

素因数の和:25283

約数の個数: 72

約数和(自身を含む): 110344416

約数和(自身を除く): 78515556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 25261, 50522, 75783, 101044, 126305, 151566, 176827, 227349, 252610, 303132, 353654, 378915, 454698, 505220, 530481, 707308, 757830, 884135, 909396, 1060962, 1136745, 1515660, 1591443, 1768270, 2121924, 2273490, 2652405, 3182886, 3536540, 4546980, 5304810, 6365772, 7957215, 10609620, 15914430, 31828860]

約数ペア:

[(1, 31828860), (2, 15914430), (3, 10609620), (4, 7957215), (5, 6365772), (6, 5304810), (7, 4546980), (9, 3536540), (10, 3182886), (12, 2652405), (14, 2273490), (15, 2121924), (18, 1768270), (20, 1591443), (21, 1515660), (28, 1136745), (30, 1060962), (35, 909396), (36, 884135), (42, 757830), (45, 707308), (60, 530481), (63, 505220), (70, 454698), (84, 378915), (90, 353654), (105, 303132), (126, 252610), (140, 227349), (180, 176827), (210, 151566), (252, 126305), (315, 101044), (420, 75783), (630, 50522), (1260, 25261)]