81090750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8317}}^1$

素因数の和:8350

約数の個数: 64

約数和(自身を含む): 217998144

約数和(自身を除く): 136907394

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, 650, 750, 975, 1625, 1950, 3250, 4875, 8317, 9750, 16634, 24951, 41585, 49902, 83170, 108121, 124755, 207925, 216242, 249510, 324363, 415850, 540605, 623775, 648726, 1039625, 1081210, 1247550, 1621815, 2079250, 2703025, 3118875, 3243630, 5406050, 6237750, 8109075, 13515125, 16218150, 27030250, 40545375, 81090750]

約数ペア:

[(1, 81090750), (2, 40545375), (3, 27030250), (5, 16218150), (6, 13515125), (10, 8109075), (13, 6237750), (15, 5406050), (25, 3243630), (26, 3118875), (30, 2703025), (39, 2079250), (50, 1621815), (65, 1247550), (75, 1081210), (78, 1039625), (125, 648726), (130, 623775), (150, 540605), (195, 415850), (250, 324363), (325, 249510), (375, 216242), (390, 207925), (650, 124755), (750, 108121), (975, 83170), (1625, 49902), (1950, 41585), (3250, 24951), (4875, 16634), (8317, 9750)]