1646580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2111}}^1$

素因数の和:2136

約数の個数: 48

約数和(自身を含む): 4967424

約数和(自身を除く): 3320844

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, 2111, 4222, 6333, 8444, 10555, 12666, 21110, 25332, 27443, 31665, 42220, 54886, 63330, 82329, 109772, 126660, 137215, 164658, 274430, 329316, 411645, 548860, 823290, 1646580]

約数ペア:

[(1, 1646580), (2, 823290), (3, 548860), (4, 411645), (5, 329316), (6, 274430), (10, 164658), (12, 137215), (13, 126660), (15, 109772), (20, 82329), (26, 63330), (30, 54886), (39, 42220), (52, 31665), (60, 27443), (65, 25332), (78, 21110), (130, 12666), (156, 10555), (195, 8444), (260, 6333), (390, 4222), (780, 2111)]