78052500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{3469}}^1$

素因数の和:3499

約数の個数: 90

約数和(自身を含む): 246616370

約数和(自身を除く): 168563870

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 750, 900, 1125, 1250, 1500, 1875, 2250, 2500, 3469, 3750, 4500, 5625, 6938, 7500, 10407, 11250, 13876, 17345, 20814, 22500, 31221, 34690, 41628, 52035, 62442, 69380, 86725, 104070, 124884, 156105, 173450, 208140, 260175, 312210, 346900, 433625, 520350, 624420, 780525, 867250, 1040700, 1300875, 1561050, 1734500, 2168125, 2601750, 3122100, 3902625, 4336250, 5203500, 6504375, 7805250, 8672500, 13008750, 15610500, 19513125, 26017500, 39026250, 78052500]

約数ペア:

[(1, 78052500), (2, 39026250), (3, 26017500), (4, 19513125), (5, 15610500), (6, 13008750), (9, 8672500), (10, 7805250), (12, 6504375), (15, 5203500), (18, 4336250), (20, 3902625), (25, 3122100), (30, 2601750), (36, 2168125), (45, 1734500), (50, 1561050), (60, 1300875), (75, 1040700), (90, 867250), (100, 780525), (125, 624420), (150, 520350), (180, 433625), (225, 346900), (250, 312210), (300, 260175), (375, 208140), (450, 173450), (500, 156105), (625, 124884), (750, 104070), (900, 86725), (1125, 69380), (1250, 62442), (1500, 52035), (1875, 41628), (2250, 34690), (2500, 31221), (3469, 22500), (3750, 20814), (4500, 17345), (5625, 13876), (6938, 11250), (7500, 10407)]