81884040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2267}}^1$

素因数の和:2331

約数の個数: 128

約数和(自身を含む): 287400960

約数和(自身を除く): 205516920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 860, 903, 1032, 1204, 1290, 1505, 1720, 1806, 2267, 2408, 2580, 3010, 3612, 4515, 4534, 5160, 6020, 6801, 7224, 9030, 9068, 11335, 12040, 13602, 15869, 18060, 18136, 22670, 27204, 31738, 34005, 36120, 45340, 47607, 54408, 63476, 68010, 79345, 90680, 95214, 97481, 126952, 136020, 158690, 190428, 194962, 238035, 272040, 292443, 317380, 380856, 389924, 476070, 487405, 584886, 634760, 682367, 779848, 952140, 974810, 1169772, 1364734, 1462215, 1904280, 1949620, 2047101, 2339544, 2729468, 2924430, 3411835, 3899240, 4094202, 5458936, 5848860, 6823670, 8188404, 10235505, 11697720, 13647340, 16376808, 20471010, 27294680, 40942020, 81884040]

約数ペア:

[(1, 81884040), (2, 40942020), (3, 27294680), (4, 20471010), (5, 16376808), (6, 13647340), (7, 11697720), (8, 10235505), (10, 8188404), (12, 6823670), (14, 5848860), (15, 5458936), (20, 4094202), (21, 3899240), (24, 3411835), (28, 2924430), (30, 2729468), (35, 2339544), (40, 2047101), (42, 1949620), (43, 1904280), (56, 1462215), (60, 1364734), (70, 1169772), (84, 974810), (86, 952140), (105, 779848), (120, 682367), (129, 634760), (140, 584886), (168, 487405), (172, 476070), (210, 389924), (215, 380856), (258, 317380), (280, 292443), (301, 272040), (344, 238035), (420, 194962), (430, 190428), (516, 158690), (602, 136020), (645, 126952), (840, 97481), (860, 95214), (903, 90680), (1032, 79345), (1204, 68010), (1290, 63476), (1505, 54408), (1720, 47607), (1806, 45340), (2267, 36120), (2408, 34005), (2580, 31738), (3010, 27204), (3612, 22670), (4515, 18136), (4534, 18060), (5160, 15869), (6020, 13602), (6801, 12040), (7224, 11335), (9030, 9068)]