2580240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 8624448

約数和(自身を除く): 6044208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 827, 1040, 1560, 1654, 2481, 3120, 3308, 4135, 4962, 6616, 8270, 9924, 10751, 12405, 13232, 16540, 19848, 21502, 24810, 32253, 33080, 39696, 43004, 49620, 53755, 64506, 66160, 86008, 99240, 107510, 129012, 161265, 172016, 198480, 215020, 258024, 322530, 430040, 516048, 645060, 860080, 1290120, 2580240]

約数ペア:

[(1, 2580240), (2, 1290120), (3, 860080), (4, 645060), (5, 516048), (6, 430040), (8, 322530), (10, 258024), (12, 215020), (13, 198480), (15, 172016), (16, 161265), (20, 129012), (24, 107510), (26, 99240), (30, 86008), (39, 66160), (40, 64506), (48, 53755), (52, 49620), (60, 43004), (65, 39696), (78, 33080), (80, 32253), (104, 24810), (120, 21502), (130, 19848), (156, 16540), (195, 13232), (208, 12405), (240, 10751), (260, 9924), (312, 8270), (390, 6616), (520, 4962), (624, 4135), (780, 3308), (827, 3120), (1040, 2481), (1560, 1654)]