4243980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5441}}^1$

素因数の和:5466

約数の個数: 48

約数和(自身を含む): 12799584

約数和(自身を除く): 8555604

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, 5441, 10882, 16323, 21764, 27205, 32646, 54410, 65292, 70733, 81615, 108820, 141466, 163230, 212199, 282932, 326460, 353665, 424398, 707330, 848796, 1060995, 1414660, 2121990, 4243980]

約数ペア:

[(1, 4243980), (2, 2121990), (3, 1414660), (4, 1060995), (5, 848796), (6, 707330), (10, 424398), (12, 353665), (13, 326460), (15, 282932), (20, 212199), (26, 163230), (30, 141466), (39, 108820), (52, 81615), (60, 70733), (65, 65292), (78, 54410), (130, 32646), (156, 27205), (195, 21764), (260, 16323), (390, 10882), (780, 5441)]