1290120

素因数分解:

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

素因数の和:854

約数の個数: 64

約数和(自身を含む): 4173120

約数和(自身を除く): 2883000

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, 827, 1560, 1654, 2481, 3308, 4135, 4962, 6616, 8270, 9924, 10751, 12405, 16540, 19848, 21502, 24810, 32253, 33080, 43004, 49620, 53755, 64506, 86008, 99240, 107510, 129012, 161265, 215020, 258024, 322530, 430040, 645060, 1290120]

約数ペア:

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