19625640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2441}}^1$

素因数の和:2522

約数の個数: 64

約数和(自身を含む): 59780160

約数和(自身を除く): 40154520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2441, 2680, 4020, 4882, 7323, 8040, 9764, 12205, 14646, 19528, 24410, 29292, 36615, 48820, 58584, 73230, 97640, 146460, 163547, 292920, 327094, 490641, 654188, 817735, 981282, 1308376, 1635470, 1962564, 2453205, 3270940, 3925128, 4906410, 6541880, 9812820, 19625640]

約数ペア:

[(1, 19625640), (2, 9812820), (3, 6541880), (4, 4906410), (5, 3925128), (6, 3270940), (8, 2453205), (10, 1962564), (12, 1635470), (15, 1308376), (20, 981282), (24, 817735), (30, 654188), (40, 490641), (60, 327094), (67, 292920), (120, 163547), (134, 146460), (201, 97640), (268, 73230), (335, 58584), (402, 48820), (536, 36615), (670, 29292), (804, 24410), (1005, 19528), (1340, 14646), (1608, 12205), (2010, 9764), (2441, 8040), (2680, 7323), (4020, 4882)]