3861780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4951}}^1$

素因数の和:4976

約数の個数: 48

約数和(自身を含む): 11647104

約数和(自身を除く): 7785324

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, 4951, 9902, 14853, 19804, 24755, 29706, 49510, 59412, 64363, 74265, 99020, 128726, 148530, 193089, 257452, 297060, 321815, 386178, 643630, 772356, 965445, 1287260, 1930890, 3861780]

約数ペア:

[(1, 3861780), (2, 1930890), (3, 1287260), (4, 965445), (5, 772356), (6, 643630), (10, 386178), (12, 321815), (13, 297060), (15, 257452), (20, 193089), (26, 148530), (30, 128726), (39, 99020), (52, 74265), (60, 64363), (65, 59412), (78, 49510), (130, 29706), (156, 24755), (195, 19804), (260, 14853), (390, 9902), (780, 4951)]