2553720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1664

約数の個数: 64

約数和(自身を含む): 8255520

約数和(自身を除く): 5701800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 1637, 3274, 4911, 6548, 8185, 9822, 13096, 16370, 19644, 21281, 24555, 32740, 39288, 42562, 49110, 63843, 65480, 85124, 98220, 106405, 127686, 170248, 196440, 212810, 255372, 319215, 425620, 510744, 638430, 851240, 1276860, 2553720]

約数ペア:

[(1, 2553720), (2, 1276860), (3, 851240), (4, 638430), (5, 510744), (6, 425620), (8, 319215), (10, 255372), (12, 212810), (13, 196440), (15, 170248), (20, 127686), (24, 106405), (26, 98220), (30, 85124), (39, 65480), (40, 63843), (52, 49110), (60, 42562), (65, 39288), (78, 32740), (104, 24555), (120, 21281), (130, 19644), (156, 16370), (195, 13096), (260, 9822), (312, 8185), (390, 6548), (520, 4911), (780, 3274), (1560, 1637)]