31088460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39857}}^1$

素因数の和:39882

約数の個数: 48

約数和(自身を含む): 93746016

約数和(自身を除く): 62657556

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, 39857, 79714, 119571, 159428, 199285, 239142, 398570, 478284, 518141, 597855, 797140, 1036282, 1195710, 1554423, 2072564, 2391420, 2590705, 3108846, 5181410, 6217692, 7772115, 10362820, 15544230, 31088460]

約数ペア:

[(1, 31088460), (2, 15544230), (3, 10362820), (4, 7772115), (5, 6217692), (6, 5181410), (10, 3108846), (12, 2590705), (13, 2391420), (15, 2072564), (20, 1554423), (26, 1195710), (30, 1036282), (39, 797140), (52, 597855), (60, 518141), (65, 478284), (78, 398570), (130, 239142), (156, 199285), (195, 159428), (260, 119571), (390, 79714), (780, 39857)]