138260460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{177257}}^1$

素因数の和:177282

約数の個数: 48

約数和(自身を含む): 416910816

約数和(自身を除く): 278650356

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, 177257, 354514, 531771, 709028, 886285, 1063542, 1772570, 2127084, 2304341, 2658855, 3545140, 4608682, 5317710, 6913023, 9217364, 10635420, 11521705, 13826046, 23043410, 27652092, 34565115, 46086820, 69130230, 138260460]

約数ペア:

[(1, 138260460), (2, 69130230), (3, 46086820), (4, 34565115), (5, 27652092), (6, 23043410), (10, 13826046), (12, 11521705), (13, 10635420), (15, 9217364), (20, 6913023), (26, 5317710), (30, 4608682), (39, 3545140), (52, 2658855), (60, 2304341), (65, 2127084), (78, 1772570), (130, 1063542), (156, 886285), (195, 709028), (260, 531771), (390, 354514), (780, 177257)]