1880461520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1031}}^1\times {\mathrm{3257}}^1$

素因数の和:4308

約数の個数: 80

約数和(自身を含む): 5003036928

約数和(自身を除く): 3122575408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1031, 2062, 3257, 4124, 5155, 6514, 7217, 8248, 10310, 13028, 14434, 16285, 16496, 20620, 22799, 26056, 28868, 32570, 36085, 41240, 45598, 52112, 57736, 65140, 72170, 82480, 91196, 113995, 115472, 130280, 144340, 182392, 227990, 260560, 288680, 364784, 455980, 577360, 911960, 1823920, 3357967, 6715934, 13431868, 16789835, 23505769, 26863736, 33579670, 47011538, 53727472, 67159340, 94023076, 117528845, 134318680, 188046152, 235057690, 268637360, 376092304, 470115380, 940230760, 1880461520]

約数ペア:

[(1, 1880461520), (2, 940230760), (4, 470115380), (5, 376092304), (7, 268637360), (8, 235057690), (10, 188046152), (14, 134318680), (16, 117528845), (20, 94023076), (28, 67159340), (35, 53727472), (40, 47011538), (56, 33579670), (70, 26863736), (80, 23505769), (112, 16789835), (140, 13431868), (280, 6715934), (560, 3357967), (1031, 1823920), (2062, 911960), (3257, 577360), (4124, 455980), (5155, 364784), (6514, 288680), (7217, 260560), (8248, 227990), (10310, 182392), (13028, 144340), (14434, 130280), (16285, 115472), (16496, 113995), (20620, 91196), (22799, 82480), (26056, 72170), (28868, 65140), (32570, 57736), (36085, 52112), (41240, 45598)]