81158280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1223}}^1$

素因数の和:1323

約数の個数: 128

約数和(自身を含む): 282009600

約数和(自身を除く): 200851320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 210, 237, 280, 316, 395, 420, 474, 553, 632, 790, 840, 948, 1106, 1185, 1223, 1580, 1659, 1896, 2212, 2370, 2446, 2765, 3160, 3318, 3669, 4424, 4740, 4892, 5530, 6115, 6636, 7338, 8295, 8561, 9480, 9784, 11060, 12230, 13272, 14676, 16590, 17122, 18345, 22120, 24460, 25683, 29352, 33180, 34244, 36690, 42805, 48920, 51366, 66360, 68488, 73380, 85610, 96617, 102732, 128415, 146760, 171220, 193234, 205464, 256830, 289851, 342440, 386468, 483085, 513660, 579702, 676319, 772936, 966170, 1027320, 1159404, 1352638, 1449255, 1932340, 2028957, 2318808, 2705276, 2898510, 3381595, 3864680, 4057914, 5410552, 5797020, 6763190, 8115828, 10144785, 11594040, 13526380, 16231656, 20289570, 27052760, 40579140, 81158280]

約数ペア:

[(1, 81158280), (2, 40579140), (3, 27052760), (4, 20289570), (5, 16231656), (6, 13526380), (7, 11594040), (8, 10144785), (10, 8115828), (12, 6763190), (14, 5797020), (15, 5410552), (20, 4057914), (21, 3864680), (24, 3381595), (28, 2898510), (30, 2705276), (35, 2318808), (40, 2028957), (42, 1932340), (56, 1449255), (60, 1352638), (70, 1159404), (79, 1027320), (84, 966170), (105, 772936), (120, 676319), (140, 579702), (158, 513660), (168, 483085), (210, 386468), (237, 342440), (280, 289851), (316, 256830), (395, 205464), (420, 193234), (474, 171220), (553, 146760), (632, 128415), (790, 102732), (840, 96617), (948, 85610), (1106, 73380), (1185, 68488), (1223, 66360), (1580, 51366), (1659, 48920), (1896, 42805), (2212, 36690), (2370, 34244), (2446, 33180), (2765, 29352), (3160, 25683), (3318, 24460), (3669, 22120), (4424, 18345), (4740, 17122), (4892, 16590), (5530, 14676), (6115, 13272), (6636, 12230), (7338, 11060), (8295, 9784), (8561, 9480)]