645060

素因数分解:

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

素因数の和:852

約数の個数: 48

約数和(自身を含む): 1947456

約数和(自身を除く): 1302396

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, 827, 1654, 2481, 3308, 4135, 4962, 8270, 9924, 10751, 12405, 16540, 21502, 24810, 32253, 43004, 49620, 53755, 64506, 107510, 129012, 161265, 215020, 322530, 645060]

約数ペア:

[(1, 645060), (2, 322530), (3, 215020), (4, 161265), (5, 129012), (6, 107510), (10, 64506), (12, 53755), (13, 49620), (15, 43004), (20, 32253), (26, 24810), (30, 21502), (39, 16540), (52, 12405), (60, 10751), (65, 9924), (78, 8270), (130, 4962), (156, 4135), (195, 3308), (260, 2481), (390, 1654), (780, 827)]