77540360

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{947}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 184291200

約数和(自身を除く): 106750840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 712, 890, 920, 947, 1780, 1894, 2047, 3560, 3788, 4094, 4735, 7576, 8188, 9470, 10235, 16376, 18940, 20470, 21781, 37880, 40940, 43562, 81880, 84283, 87124, 108905, 168566, 174248, 217810, 337132, 421415, 435620, 674264, 842830, 871240, 1685660, 1938509, 3371320, 3877018, 7754036, 9692545, 15508072, 19385090, 38770180, 77540360]

約数ペア:

[(1, 77540360), (2, 38770180), (4, 19385090), (5, 15508072), (8, 9692545), (10, 7754036), (20, 3877018), (23, 3371320), (40, 1938509), (46, 1685660), (89, 871240), (92, 842830), (115, 674264), (178, 435620), (184, 421415), (230, 337132), (356, 217810), (445, 174248), (460, 168566), (712, 108905), (890, 87124), (920, 84283), (947, 81880), (1780, 43562), (1894, 40940), (2047, 37880), (3560, 21781), (3788, 20470), (4094, 18940), (4735, 16376), (7576, 10235), (8188, 9470)]