268988460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{344857}}^1$

素因数の和:344882

約数の個数: 48

約数和(自身を含む): 811106016

約数和(自身を除く): 542117556

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, 344857, 689714, 1034571, 1379428, 1724285, 2069142, 3448570, 4138284, 4483141, 5172855, 6897140, 8966282, 10345710, 13449423, 17932564, 20691420, 22415705, 26898846, 44831410, 53797692, 67247115, 89662820, 134494230, 268988460]

約数ペア:

[(1, 268988460), (2, 134494230), (3, 89662820), (4, 67247115), (5, 53797692), (6, 44831410), (10, 26898846), (12, 22415705), (13, 20691420), (15, 17932564), (20, 13449423), (26, 10345710), (30, 8966282), (39, 6897140), (52, 5172855), (60, 4483141), (65, 4138284), (78, 3448570), (130, 2069142), (156, 1724285), (195, 1379428), (260, 1034571), (390, 689714), (780, 344857)]