12438601980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{4230817}}^1$

素因数の和:4230843

約数の個数: 72

約数和(自身を含む): 40514313168

約数和(自身を除く): 28075711188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 4230817, 8461634, 12692451, 16923268, 21154085, 25384902, 29615719, 42308170, 50769804, 59231438, 63462255, 84616340, 88847157, 118462876, 126924510, 148078595, 177694314, 207310033, 253849020, 296157190, 355388628, 414620066, 444235785, 592314380, 621930099, 829240132, 888471570, 1036550165, 1243860198, 1776943140, 2073100330, 2487720396, 3109650495, 4146200660, 6219300990, 12438601980]

約数ペア:

[(1, 12438601980), (2, 6219300990), (3, 4146200660), (4, 3109650495), (5, 2487720396), (6, 2073100330), (7, 1776943140), (10, 1243860198), (12, 1036550165), (14, 888471570), (15, 829240132), (20, 621930099), (21, 592314380), (28, 444235785), (30, 414620066), (35, 355388628), (42, 296157190), (49, 253849020), (60, 207310033), (70, 177694314), (84, 148078595), (98, 126924510), (105, 118462876), (140, 88847157), (147, 84616340), (196, 63462255), (210, 59231438), (245, 50769804), (294, 42308170), (420, 29615719), (490, 25384902), (588, 21154085), (735, 16923268), (980, 12692451), (1470, 8461634), (2940, 4230817)]