2881320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1847}}^1$

素因数の和:1874

約数の個数: 64

約数和(自身を含む): 9313920

約数和(自身を除く): 6432600

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, 1847, 3694, 5541, 7388, 9235, 11082, 14776, 18470, 22164, 24011, 27705, 36940, 44328, 48022, 55410, 72033, 73880, 96044, 110820, 120055, 144066, 192088, 221640, 240110, 288132, 360165, 480220, 576264, 720330, 960440, 1440660, 2881320]

約数ペア:

[(1, 2881320), (2, 1440660), (3, 960440), (4, 720330), (5, 576264), (6, 480220), (8, 360165), (10, 288132), (12, 240110), (13, 221640), (15, 192088), (20, 144066), (24, 120055), (26, 110820), (30, 96044), (39, 73880), (40, 72033), (52, 55410), (60, 48022), (65, 44328), (78, 36940), (104, 27705), (120, 24011), (130, 22164), (156, 18470), (195, 14776), (260, 11082), (312, 9235), (390, 7388), (520, 5541), (780, 3694), (1560, 1847)]