71384752620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{998947}}^1$

素因数の和:999359

約数の個数: 72

約数和(自身を含む): 217079391984

約数和(自身を除く): 145694639364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397, 794, 1191, 1588, 1985, 2382, 3573, 3970, 4764, 5955, 7146, 7940, 11910, 14292, 17865, 23820, 35730, 71460, 998947, 1997894, 2996841, 3995788, 4994735, 5993682, 8990523, 9989470, 11987364, 14984205, 17981046, 19978940, 29968410, 35962092, 44952615, 59936820, 89905230, 179810460, 396581959, 793163918, 1189745877, 1586327836, 1982909795, 2379491754, 3569237631, 3965819590, 4758983508, 5948729385, 7138475262, 7931639180, 11897458770, 14276950524, 17846188155, 23794917540, 35692376310, 71384752620]

約数ペア:

[(1, 71384752620), (2, 35692376310), (3, 23794917540), (4, 17846188155), (5, 14276950524), (6, 11897458770), (9, 7931639180), (10, 7138475262), (12, 5948729385), (15, 4758983508), (18, 3965819590), (20, 3569237631), (30, 2379491754), (36, 1982909795), (45, 1586327836), (60, 1189745877), (90, 793163918), (180, 396581959), (397, 179810460), (794, 89905230), (1191, 59936820), (1588, 44952615), (1985, 35962092), (2382, 29968410), (3573, 19978940), (3970, 17981046), (4764, 14984205), (5955, 11987364), (7146, 9989470), (7940, 8990523), (11910, 5993682), (14292, 4994735), (17865, 3995788), (23820, 2996841), (35730, 1997894), (71460, 998947)]