660603920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{3331}}^1$

素因数の和:3448

約数の個数: 80

約数和(自身を含む): 1601439168

約数和(自身を除く): 940835248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 67, 74, 80, 134, 148, 185, 268, 296, 335, 370, 536, 592, 670, 740, 1072, 1340, 1480, 2479, 2680, 2960, 3331, 4958, 5360, 6662, 9916, 12395, 13324, 16655, 19832, 24790, 26648, 33310, 39664, 49580, 53296, 66620, 99160, 123247, 133240, 198320, 223177, 246494, 266480, 446354, 492988, 616235, 892708, 985976, 1115885, 1232470, 1785416, 1971952, 2231770, 2464940, 3570832, 4463540, 4929880, 8257549, 8927080, 9859760, 16515098, 17854160, 33030196, 41287745, 66060392, 82575490, 132120784, 165150980, 330301960, 660603920]

約数ペア:

[(1, 660603920), (2, 330301960), (4, 165150980), (5, 132120784), (8, 82575490), (10, 66060392), (16, 41287745), (20, 33030196), (37, 17854160), (40, 16515098), (67, 9859760), (74, 8927080), (80, 8257549), (134, 4929880), (148, 4463540), (185, 3570832), (268, 2464940), (296, 2231770), (335, 1971952), (370, 1785416), (536, 1232470), (592, 1115885), (670, 985976), (740, 892708), (1072, 616235), (1340, 492988), (1480, 446354), (2479, 266480), (2680, 246494), (2960, 223177), (3331, 198320), (4958, 133240), (5360, 123247), (6662, 99160), (9916, 66620), (12395, 53296), (13324, 49580), (16655, 39664), (19832, 33310), (24790, 26648)]