1330389520

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{5281}}^1$

素因数の和:5408

約数の個数: 80

約数和(自身を含む): 3206723328

約数和(自身を除く): 1876333808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 67, 80, 94, 134, 188, 235, 268, 335, 376, 470, 536, 670, 752, 940, 1072, 1340, 1880, 2680, 3149, 3760, 5281, 5360, 6298, 10562, 12596, 15745, 21124, 25192, 26405, 31490, 42248, 50384, 52810, 62980, 84496, 105620, 125960, 211240, 248207, 251920, 353827, 422480, 496414, 707654, 992828, 1241035, 1415308, 1769135, 1985656, 2482070, 2830616, 3538270, 3971312, 4964140, 5661232, 7076540, 9928280, 14153080, 16629869, 19856560, 28306160, 33259738, 66519476, 83149345, 133038952, 166298690, 266077904, 332597380, 665194760, 1330389520]

約数ペア:

[(1, 1330389520), (2, 665194760), (4, 332597380), (5, 266077904), (8, 166298690), (10, 133038952), (16, 83149345), (20, 66519476), (40, 33259738), (47, 28306160), (67, 19856560), (80, 16629869), (94, 14153080), (134, 9928280), (188, 7076540), (235, 5661232), (268, 4964140), (335, 3971312), (376, 3538270), (470, 2830616), (536, 2482070), (670, 1985656), (752, 1769135), (940, 1415308), (1072, 1241035), (1340, 992828), (1880, 707654), (2680, 496414), (3149, 422480), (3760, 353827), (5281, 251920), (5360, 248207), (6298, 211240), (10562, 125960), (12596, 105620), (15745, 84496), (21124, 62980), (25192, 52810), (26405, 50384), (31490, 42248)]