205607280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{856697}}^1$

素因数の和:856713

約数の個数: 40

約数和(自身を含む): 637383312

約数和(自身を除く): 431776032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 856697, 1713394, 2570091, 3426788, 4283485, 5140182, 6853576, 8566970, 10280364, 12850455, 13707152, 17133940, 20560728, 25700910, 34267880, 41121456, 51401820, 68535760, 102803640, 205607280]

約数ペア:

[(1, 205607280), (2, 102803640), (3, 68535760), (4, 51401820), (5, 41121456), (6, 34267880), (8, 25700910), (10, 20560728), (12, 17133940), (15, 13707152), (16, 12850455), (20, 10280364), (24, 8566970), (30, 6853576), (40, 5140182), (48, 4283485), (60, 3426788), (80, 2570091), (120, 1713394), (240, 856697)]