1903980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2441}}^1$

素因数の和:2466

約数の個数: 48

約数和(自身を含む): 5743584

約数和(自身を除く): 3839604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2441, 4882, 7323, 9764, 12205, 14646, 24410, 29292, 31733, 36615, 48820, 63466, 73230, 95199, 126932, 146460, 158665, 190398, 317330, 380796, 475995, 634660, 951990, 1903980]

約数ペア:

[(1, 1903980), (2, 951990), (3, 634660), (4, 475995), (5, 380796), (6, 317330), (10, 190398), (12, 158665), (13, 146460), (15, 126932), (20, 95199), (26, 73230), (30, 63466), (39, 48820), (52, 36615), (60, 31733), (65, 29292), (78, 24410), (130, 14646), (156, 12205), (195, 9764), (260, 7323), (390, 4882), (780, 2441)]