258157620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{204887}}^1$

素因数の和:204909

約数の個数: 72

約数和(自身を含む): 894950784

約数和(自身を除く): 636793164

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, 204887, 409774, 614661, 819548, 1024435, 1229322, 1434209, 1843983, 2048870, 2458644, 2868418, 3073305, 3687966, 4097740, 4302627, 5736836, 6146610, 7171045, 7375932, 8605254, 9219915, 12293220, 12907881, 14342090, 17210508, 18439830, 21513135, 25815762, 28684180, 36879660, 43026270, 51631524, 64539405, 86052540, 129078810, 258157620]

約数ペア:

[(1, 258157620), (2, 129078810), (3, 86052540), (4, 64539405), (5, 51631524), (6, 43026270), (7, 36879660), (9, 28684180), (10, 25815762), (12, 21513135), (14, 18439830), (15, 17210508), (18, 14342090), (20, 12907881), (21, 12293220), (28, 9219915), (30, 8605254), (35, 7375932), (36, 7171045), (42, 6146610), (45, 5736836), (60, 4302627), (63, 4097740), (70, 3687966), (84, 3073305), (90, 2868418), (105, 2458644), (126, 2048870), (140, 1843983), (180, 1434209), (210, 1229322), (252, 1024435), (315, 819548), (420, 614661), (630, 409774), (1260, 204887)]