672001980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{861541}}^1$

素因数の和:861566

約数の個数: 48

約数和(自身を含む): 2026346784

約数和(自身を除く): 1354344804

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, 861541, 1723082, 2584623, 3446164, 4307705, 5169246, 8615410, 10338492, 11200033, 12923115, 17230820, 22400066, 25846230, 33600099, 44800132, 51692460, 56000165, 67200198, 112000330, 134400396, 168000495, 224000660, 336000990, 672001980]

約数ペア:

[(1, 672001980), (2, 336000990), (3, 224000660), (4, 168000495), (5, 134400396), (6, 112000330), (10, 67200198), (12, 56000165), (13, 51692460), (15, 44800132), (20, 33600099), (26, 25846230), (30, 22400066), (39, 17230820), (52, 12923115), (60, 11200033), (65, 10338492), (78, 8615410), (130, 5169246), (156, 4307705), (195, 3446164), (260, 2584623), (390, 1723082), (780, 861541)]