85813980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{204319}}^1$

素因数の和:204338

約数の個数: 48

約数和(自身を含む): 274606080

約数和(自身を除く): 188792100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 204319, 408638, 612957, 817276, 1021595, 1225914, 1430233, 2043190, 2451828, 2860466, 3064785, 4086380, 4290699, 5720932, 6129570, 7151165, 8581398, 12259140, 14302330, 17162796, 21453495, 28604660, 42906990, 85813980]

約数ペア:

[(1, 85813980), (2, 42906990), (3, 28604660), (4, 21453495), (5, 17162796), (6, 14302330), (7, 12259140), (10, 8581398), (12, 7151165), (14, 6129570), (15, 5720932), (20, 4290699), (21, 4086380), (28, 3064785), (30, 2860466), (35, 2451828), (42, 2043190), (60, 1430233), (70, 1225914), (84, 1021595), (105, 817276), (140, 612957), (210, 408638), (420, 204319)]