78150000

素因数分解:

$2^4\times 3^1\times 5^5\times {\mathrm{521}}^1$

素因数の和:557

約数の個数: 120

約数和(自身を含む): 252827568

約数和(自身を除く): 174677568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 521, 600, 625, 750, 1000, 1042, 1200, 1250, 1500, 1563, 1875, 2000, 2084, 2500, 2605, 3000, 3125, 3126, 3750, 4168, 5000, 5210, 6000, 6250, 6252, 7500, 7815, 8336, 9375, 10000, 10420, 12500, 12504, 13025, 15000, 15630, 18750, 20840, 25000, 25008, 26050, 30000, 31260, 37500, 39075, 41680, 50000, 52100, 62520, 65125, 75000, 78150, 104200, 125040, 130250, 150000, 156300, 195375, 208400, 260500, 312600, 325625, 390750, 521000, 625200, 651250, 781500, 976875, 1042000, 1302500, 1563000, 1628125, 1953750, 2605000, 3126000, 3256250, 3907500, 4884375, 5210000, 6512500, 7815000, 9768750, 13025000, 15630000, 19537500, 26050000, 39075000, 78150000]

約数ペア:

[(1, 78150000), (2, 39075000), (3, 26050000), (4, 19537500), (5, 15630000), (6, 13025000), (8, 9768750), (10, 7815000), (12, 6512500), (15, 5210000), (16, 4884375), (20, 3907500), (24, 3256250), (25, 3126000), (30, 2605000), (40, 1953750), (48, 1628125), (50, 1563000), (60, 1302500), (75, 1042000), (80, 976875), (100, 781500), (120, 651250), (125, 625200), (150, 521000), (200, 390750), (240, 325625), (250, 312600), (300, 260500), (375, 208400), (400, 195375), (500, 156300), (521, 150000), (600, 130250), (625, 125040), (750, 104200), (1000, 78150), (1042, 75000), (1200, 65125), (1250, 62520), (1500, 52100), (1563, 50000), (1875, 41680), (2000, 39075), (2084, 37500), (2500, 31260), (2605, 30000), (3000, 26050), (3125, 25008), (3126, 25000), (3750, 20840), (4168, 18750), (5000, 15630), (5210, 15000), (6000, 13025), (6250, 12504), (6252, 12500), (7500, 10420), (7815, 10000), (8336, 9375)]