155514385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 230791680

約数和(自身を除く): 75277295

約数列:

[1, 5, 13, 17, 23, 29, 65, 85, 115, 145, 211, 221, 299, 377, 391, 493, 667, 1055, 1105, 1495, 1885, 1955, 2465, 2743, 3335, 3587, 4853, 5083, 6119, 6409, 8671, 11339, 13715, 17935, 24265, 25415, 30595, 32045, 43355, 46631, 56695, 63089, 79547, 82501, 104023, 140737, 147407, 233155, 315445, 397735, 412505, 520115, 703685, 737035, 1072513, 1352299, 1829581, 2392529, 5362565, 6761495, 9147905, 11962645, 31102877, 155514385]

約数ペア:

[(1, 155514385), (5, 31102877), (13, 11962645), (17, 9147905), (23, 6761495), (29, 5362565), (65, 2392529), (85, 1829581), (115, 1352299), (145, 1072513), (211, 737035), (221, 703685), (299, 520115), (377, 412505), (391, 397735), (493, 315445), (667, 233155), (1055, 147407), (1105, 140737), (1495, 104023), (1885, 82501), (1955, 79547), (2465, 63089), (2743, 56695), (3335, 46631), (3587, 43355), (4853, 32045), (5083, 30595), (6119, 25415), (6409, 24265), (8671, 17935), (11339, 13715)]