31909366980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{990359}}^1$

素因数の和:990553

約数の個数: 72

約数和(自身を含む): 97332580800

約数和(自身を除く): 65423213820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 895, 1074, 1611, 1790, 2148, 2685, 3222, 3580, 5370, 6444, 8055, 10740, 16110, 32220, 990359, 1980718, 2971077, 3961436, 4951795, 5942154, 8913231, 9903590, 11884308, 14855385, 17826462, 19807180, 29710770, 35652924, 44566155, 59421540, 89132310, 177274261, 178264620, 354548522, 531822783, 709097044, 886371305, 1063645566, 1595468349, 1772742610, 2127291132, 2659113915, 3190936698, 3545485220, 5318227830, 6381873396, 7977341745, 10636455660, 15954683490, 31909366980]

約数ペア:

[(1, 31909366980), (2, 15954683490), (3, 10636455660), (4, 7977341745), (5, 6381873396), (6, 5318227830), (9, 3545485220), (10, 3190936698), (12, 2659113915), (15, 2127291132), (18, 1772742610), (20, 1595468349), (30, 1063645566), (36, 886371305), (45, 709097044), (60, 531822783), (90, 354548522), (179, 178264620), (180, 177274261), (358, 89132310), (537, 59421540), (716, 44566155), (895, 35652924), (1074, 29710770), (1611, 19807180), (1790, 17826462), (2148, 14855385), (2685, 11884308), (3222, 9903590), (3580, 8913231), (5370, 5942154), (6444, 4951795), (8055, 3961436), (10740, 2971077), (16110, 1980718), (32220, 990359)]