80213850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{397}}^1\times {\mathrm{449}}^1$

素因数の和:864

約数の個数: 72

約数和(自身を含む): 216531900

約数和(自身を除く): 136318050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 397, 449, 450, 794, 898, 1191, 1347, 1985, 2245, 2382, 2694, 3573, 3970, 4041, 4490, 5955, 6735, 7146, 8082, 9925, 11225, 11910, 13470, 17865, 19850, 20205, 22450, 29775, 33675, 35730, 40410, 59550, 67350, 89325, 101025, 178253, 178650, 202050, 356506, 534759, 891265, 1069518, 1604277, 1782530, 2673795, 3208554, 4456325, 5347590, 8021385, 8912650, 13368975, 16042770, 26737950, 40106925, 80213850]

約数ペア:

[(1, 80213850), (2, 40106925), (3, 26737950), (5, 16042770), (6, 13368975), (9, 8912650), (10, 8021385), (15, 5347590), (18, 4456325), (25, 3208554), (30, 2673795), (45, 1782530), (50, 1604277), (75, 1069518), (90, 891265), (150, 534759), (225, 356506), (397, 202050), (449, 178650), (450, 178253), (794, 101025), (898, 89325), (1191, 67350), (1347, 59550), (1985, 40410), (2245, 35730), (2382, 33675), (2694, 29775), (3573, 22450), (3970, 20205), (4041, 19850), (4490, 17865), (5955, 13470), (6735, 11910), (7146, 11225), (8082, 9925)]