291662820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{3691}}^1$

素因数の和:4145

約数の個数: 72

約数和(自身を含む): 886966080

約数和(自身を除く): 595303260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 878, 1317, 1756, 2195, 2634, 3691, 3951, 4390, 5268, 6585, 7382, 7902, 8780, 11073, 13170, 14764, 15804, 18455, 19755, 22146, 26340, 33219, 36910, 39510, 44292, 55365, 66438, 73820, 79020, 110730, 132876, 166095, 221460, 332190, 664380, 1620349, 3240698, 4861047, 6481396, 8101745, 9722094, 14583141, 16203490, 19444188, 24305235, 29166282, 32406980, 48610470, 58332564, 72915705, 97220940, 145831410, 291662820]

約数ペア:

[(1, 291662820), (2, 145831410), (3, 97220940), (4, 72915705), (5, 58332564), (6, 48610470), (9, 32406980), (10, 29166282), (12, 24305235), (15, 19444188), (18, 16203490), (20, 14583141), (30, 9722094), (36, 8101745), (45, 6481396), (60, 4861047), (90, 3240698), (180, 1620349), (439, 664380), (878, 332190), (1317, 221460), (1756, 166095), (2195, 132876), (2634, 110730), (3691, 79020), (3951, 73820), (4390, 66438), (5268, 55365), (6585, 44292), (7382, 39510), (7902, 36910), (8780, 33219), (11073, 26340), (13170, 22146), (14764, 19755), (15804, 18455)]