140666040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{390739}}^1$

素因数の和:390756

約数の個数: 48

約数和(自身を含む): 457165800

約数和(自身を除く): 316499760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 390739, 781478, 1172217, 1562956, 1953695, 2344434, 3125912, 3516651, 3907390, 4688868, 5861085, 7033302, 7814780, 9377736, 11722170, 14066604, 15629560, 17583255, 23444340, 28133208, 35166510, 46888680, 70333020, 140666040]

約数ペア:

[(1, 140666040), (2, 70333020), (3, 46888680), (4, 35166510), (5, 28133208), (6, 23444340), (8, 17583255), (9, 15629560), (10, 14066604), (12, 11722170), (15, 9377736), (18, 7814780), (20, 7033302), (24, 5861085), (30, 4688868), (36, 3907390), (40, 3516651), (45, 3125912), (60, 2344434), (72, 1953695), (90, 1562956), (120, 1172217), (180, 781478), (360, 390739)]