81520632

素因数分解:

$2^3\times 3^2\times {\mathrm{499}}^1\times {\mathrm{2269}}^1$

素因数の和:2780

約数の個数: 48

約数和(自身を含む): 221325000

約数和(自身を除く): 139804368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 499, 998, 1497, 1996, 2269, 2994, 3992, 4491, 4538, 5988, 6807, 8982, 9076, 11976, 13614, 17964, 18152, 20421, 27228, 35928, 40842, 54456, 81684, 163368, 1132231, 2264462, 3396693, 4528924, 6793386, 9057848, 10190079, 13586772, 20380158, 27173544, 40760316, 81520632]

約数ペア:

[(1, 81520632), (2, 40760316), (3, 27173544), (4, 20380158), (6, 13586772), (8, 10190079), (9, 9057848), (12, 6793386), (18, 4528924), (24, 3396693), (36, 2264462), (72, 1132231), (499, 163368), (998, 81684), (1497, 54456), (1996, 40842), (2269, 35928), (2994, 27228), (3992, 20421), (4491, 18152), (4538, 17964), (5988, 13614), (6807, 11976), (8982, 9076)]