68688750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1409}}^1$

素因数の和:1447

約数の個数: 80

約数和(自身を含む): 185003280

約数和(自身を除く): 116314530

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 625, 650, 750, 975, 1250, 1409, 1625, 1875, 1950, 2818, 3250, 3750, 4227, 4875, 7045, 8125, 8454, 9750, 14090, 16250, 18317, 21135, 24375, 35225, 36634, 42270, 48750, 54951, 70450, 91585, 105675, 109902, 176125, 183170, 211350, 274755, 352250, 457925, 528375, 549510, 880625, 915850, 1056750, 1373775, 1761250, 2289625, 2641875, 2747550, 4579250, 5283750, 6868875, 11448125, 13737750, 22896250, 34344375, 68688750]

約数ペア:

[(1, 68688750), (2, 34344375), (3, 22896250), (5, 13737750), (6, 11448125), (10, 6868875), (13, 5283750), (15, 4579250), (25, 2747550), (26, 2641875), (30, 2289625), (39, 1761250), (50, 1373775), (65, 1056750), (75, 915850), (78, 880625), (125, 549510), (130, 528375), (150, 457925), (195, 352250), (250, 274755), (325, 211350), (375, 183170), (390, 176125), (625, 109902), (650, 105675), (750, 91585), (975, 70450), (1250, 54951), (1409, 48750), (1625, 42270), (1875, 36634), (1950, 35225), (2818, 24375), (3250, 21135), (3750, 18317), (4227, 16250), (4875, 14090), (7045, 9750), (8125, 8454)]