18131100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4649}}^1$

素因数の和:4679

約数の個数: 72

約数和(自身を含む): 56506800

約数和(自身を除く): 38375700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 4649, 9298, 13947, 18596, 23245, 27894, 46490, 55788, 60437, 69735, 92980, 116225, 120874, 139470, 181311, 232450, 241748, 278940, 302185, 348675, 362622, 464900, 604370, 697350, 725244, 906555, 1208740, 1394700, 1510925, 1813110, 3021850, 3626220, 4532775, 6043700, 9065550, 18131100]

約数ペア:

[(1, 18131100), (2, 9065550), (3, 6043700), (4, 4532775), (5, 3626220), (6, 3021850), (10, 1813110), (12, 1510925), (13, 1394700), (15, 1208740), (20, 906555), (25, 725244), (26, 697350), (30, 604370), (39, 464900), (50, 362622), (52, 348675), (60, 302185), (65, 278940), (75, 241748), (78, 232450), (100, 181311), (130, 139470), (150, 120874), (156, 116225), (195, 92980), (260, 69735), (300, 60437), (325, 55788), (390, 46490), (650, 27894), (780, 23245), (975, 18596), (1300, 13947), (1950, 9298), (3900, 4649)]