81701604

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 213333120

約数和(自身を除く): 131631516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 109, 141, 188, 218, 282, 327, 423, 436, 443, 564, 654, 846, 886, 981, 1308, 1329, 1692, 1772, 1962, 2658, 3924, 3987, 5123, 5316, 7974, 10246, 15369, 15948, 20492, 20821, 30738, 41642, 46107, 48287, 61476, 62463, 83284, 92214, 96574, 124926, 144861, 184428, 187389, 193148, 249852, 289722, 374778, 434583, 579444, 749556, 869166, 1738332, 2269489, 4538978, 6808467, 9077956, 13616934, 20425401, 27233868, 40850802, 81701604]

約数ペア:

[(1, 81701604), (2, 40850802), (3, 27233868), (4, 20425401), (6, 13616934), (9, 9077956), (12, 6808467), (18, 4538978), (36, 2269489), (47, 1738332), (94, 869166), (109, 749556), (141, 579444), (188, 434583), (218, 374778), (282, 289722), (327, 249852), (423, 193148), (436, 187389), (443, 184428), (564, 144861), (654, 124926), (846, 96574), (886, 92214), (981, 83284), (1308, 62463), (1329, 61476), (1692, 48287), (1772, 46107), (1962, 41642), (2658, 30738), (3924, 20821), (3987, 20492), (5123, 15948), (5316, 15369), (7974, 10246)]