17649180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1467

約数の個数: 72

約数和(自身を含む): 54329184

約数和(自身を除く): 36680004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1381, 1420, 2130, 2556, 2762, 3195, 4143, 4260, 5524, 6390, 6905, 8286, 12429, 12780, 13810, 16572, 20715, 24858, 27620, 41430, 49716, 62145, 82860, 98051, 124290, 196102, 248580, 294153, 392204, 490255, 588306, 882459, 980510, 1176612, 1470765, 1764918, 1961020, 2941530, 3529836, 4412295, 5883060, 8824590, 17649180]

約数ペア:

[(1, 17649180), (2, 8824590), (3, 5883060), (4, 4412295), (5, 3529836), (6, 2941530), (9, 1961020), (10, 1764918), (12, 1470765), (15, 1176612), (18, 980510), (20, 882459), (30, 588306), (36, 490255), (45, 392204), (60, 294153), (71, 248580), (90, 196102), (142, 124290), (180, 98051), (213, 82860), (284, 62145), (355, 49716), (426, 41430), (639, 27620), (710, 24858), (852, 20715), (1065, 16572), (1278, 13810), (1381, 12780), (1420, 12429), (2130, 8286), (2556, 6905), (2762, 6390), (3195, 5524), (4143, 4260)]