215438730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{3389}}^1$

素因数の和:3575

約数の個数: 64

約数和(自身を含む): 560407680

約数和(自身を除く): 344968950

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 163, 195, 326, 390, 489, 815, 978, 1630, 2119, 2445, 3389, 4238, 4890, 6357, 6778, 10167, 10595, 12714, 16945, 20334, 21190, 31785, 33890, 44057, 50835, 63570, 88114, 101670, 132171, 220285, 264342, 440570, 552407, 660855, 1104814, 1321710, 1657221, 2762035, 3314442, 5524070, 7181291, 8286105, 14362582, 16572210, 21543873, 35906455, 43087746, 71812910, 107719365, 215438730]

約数ペア:

[(1, 215438730), (2, 107719365), (3, 71812910), (5, 43087746), (6, 35906455), (10, 21543873), (13, 16572210), (15, 14362582), (26, 8286105), (30, 7181291), (39, 5524070), (65, 3314442), (78, 2762035), (130, 1657221), (163, 1321710), (195, 1104814), (326, 660855), (390, 552407), (489, 440570), (815, 264342), (978, 220285), (1630, 132171), (2119, 101670), (2445, 88114), (3389, 63570), (4238, 50835), (4890, 44057), (6357, 33890), (6778, 31785), (10167, 21190), (10595, 20334), (12714, 16945)]