81315090

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:438

約数の個数: 96

約数和(自身を含む): 221981760

約数和(自身を除く): 140666670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 109, 135, 162, 218, 243, 270, 307, 327, 405, 486, 545, 614, 654, 810, 921, 981, 1090, 1215, 1535, 1635, 1842, 1962, 2430, 2763, 2943, 3070, 3270, 4605, 4905, 5526, 5886, 8289, 8829, 9210, 9810, 13815, 14715, 16578, 17658, 24867, 26487, 27630, 29430, 33463, 41445, 44145, 49734, 52974, 66926, 74601, 82890, 88290, 100389, 124335, 132435, 149202, 167315, 200778, 248670, 264870, 301167, 334630, 373005, 501945, 602334, 746010, 903501, 1003890, 1505835, 1807002, 2710503, 3011670, 4517505, 5421006, 8131509, 9035010, 13552515, 16263018, 27105030, 40657545, 81315090]

約数ペア:

[(1, 81315090), (2, 40657545), (3, 27105030), (5, 16263018), (6, 13552515), (9, 9035010), (10, 8131509), (15, 5421006), (18, 4517505), (27, 3011670), (30, 2710503), (45, 1807002), (54, 1505835), (81, 1003890), (90, 903501), (109, 746010), (135, 602334), (162, 501945), (218, 373005), (243, 334630), (270, 301167), (307, 264870), (327, 248670), (405, 200778), (486, 167315), (545, 149202), (614, 132435), (654, 124335), (810, 100389), (921, 88290), (981, 82890), (1090, 74601), (1215, 66926), (1535, 52974), (1635, 49734), (1842, 44145), (1962, 41445), (2430, 33463), (2763, 29430), (2943, 27630), (3070, 26487), (3270, 24867), (4605, 17658), (4905, 16578), (5526, 14715), (5886, 13815), (8289, 9810), (8829, 9210)]