63619140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81563}}^1$

素因数の和:81588

約数の個数: 48

約数和(自身を含む): 191838528

約数和(自身を除く): 128219388

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, 81563, 163126, 244689, 326252, 407815, 489378, 815630, 978756, 1060319, 1223445, 1631260, 2120638, 2446890, 3180957, 4241276, 4893780, 5301595, 6361914, 10603190, 12723828, 15904785, 21206380, 31809570, 63619140]

約数ペア:

[(1, 63619140), (2, 31809570), (3, 21206380), (4, 15904785), (5, 12723828), (6, 10603190), (10, 6361914), (12, 5301595), (13, 4893780), (15, 4241276), (20, 3180957), (26, 2446890), (30, 2120638), (39, 1631260), (52, 1223445), (60, 1060319), (65, 978756), (78, 815630), (130, 489378), (156, 407815), (195, 326252), (260, 244689), (390, 163126), (780, 81563)]