30281868

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 79606800

約数和(自身を除く): 49324932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 59, 106, 118, 159, 177, 212, 236, 269, 318, 354, 477, 531, 538, 636, 708, 807, 954, 1062, 1076, 1614, 1908, 2124, 2421, 3127, 3228, 4842, 6254, 9381, 9684, 12508, 14257, 15871, 18762, 28143, 28514, 31742, 37524, 42771, 47613, 56286, 57028, 63484, 85542, 95226, 112572, 128313, 142839, 171084, 190452, 256626, 285678, 513252, 571356, 841163, 1682326, 2523489, 3364652, 5046978, 7570467, 10093956, 15140934, 30281868]

約数ペア:

[(1, 30281868), (2, 15140934), (3, 10093956), (4, 7570467), (6, 5046978), (9, 3364652), (12, 2523489), (18, 1682326), (36, 841163), (53, 571356), (59, 513252), (106, 285678), (118, 256626), (159, 190452), (177, 171084), (212, 142839), (236, 128313), (269, 112572), (318, 95226), (354, 85542), (477, 63484), (531, 57028), (538, 56286), (636, 47613), (708, 42771), (807, 37524), (954, 31742), (1062, 28514), (1076, 28143), (1614, 18762), (1908, 15871), (2124, 14257), (2421, 12508), (3127, 9684), (3228, 9381), (4842, 6254)]