72739660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{281}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 179365536

約数和(自身を除く): 106625876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 281, 301, 430, 562, 602, 860, 1124, 1204, 1405, 1505, 1849, 1967, 2810, 3010, 3698, 3934, 5620, 6020, 7396, 7868, 9245, 9835, 12083, 12943, 18490, 19670, 24166, 25886, 36980, 39340, 48332, 51772, 60415, 64715, 84581, 120830, 129430, 169162, 241660, 258860, 338324, 422905, 519569, 845810, 1039138, 1691620, 2078276, 2597845, 3636983, 5195690, 7273966, 10391380, 14547932, 18184915, 36369830, 72739660]

約数ペア:

[(1, 72739660), (2, 36369830), (4, 18184915), (5, 14547932), (7, 10391380), (10, 7273966), (14, 5195690), (20, 3636983), (28, 2597845), (35, 2078276), (43, 1691620), (70, 1039138), (86, 845810), (140, 519569), (172, 422905), (215, 338324), (281, 258860), (301, 241660), (430, 169162), (562, 129430), (602, 120830), (860, 84581), (1124, 64715), (1204, 60415), (1405, 51772), (1505, 48332), (1849, 39340), (1967, 36980), (2810, 25886), (3010, 24166), (3698, 19670), (3934, 18490), (5620, 12943), (6020, 12083), (7396, 9835), (7868, 9245)]