81985440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1567}}^1$

素因数の和:1694

約数の個数: 96

約数和(自身を含む): 260789760

約数和(自身を除く): 178804320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 109, 120, 160, 218, 240, 327, 436, 480, 545, 654, 872, 1090, 1308, 1567, 1635, 1744, 2180, 2616, 3134, 3270, 3488, 4360, 4701, 5232, 6268, 6540, 7835, 8720, 9402, 10464, 12536, 13080, 15670, 17440, 18804, 23505, 25072, 26160, 31340, 37608, 47010, 50144, 52320, 62680, 75216, 94020, 125360, 150432, 170803, 188040, 250720, 341606, 376080, 512409, 683212, 752160, 854015, 1024818, 1366424, 1708030, 2049636, 2562045, 2732848, 3416060, 4099272, 5124090, 5465696, 6832120, 8198544, 10248180, 13664240, 16397088, 20496360, 27328480, 40992720, 81985440]

約数ペア:

[(1, 81985440), (2, 40992720), (3, 27328480), (4, 20496360), (5, 16397088), (6, 13664240), (8, 10248180), (10, 8198544), (12, 6832120), (15, 5465696), (16, 5124090), (20, 4099272), (24, 3416060), (30, 2732848), (32, 2562045), (40, 2049636), (48, 1708030), (60, 1366424), (80, 1024818), (96, 854015), (109, 752160), (120, 683212), (160, 512409), (218, 376080), (240, 341606), (327, 250720), (436, 188040), (480, 170803), (545, 150432), (654, 125360), (872, 94020), (1090, 75216), (1308, 62680), (1567, 52320), (1635, 50144), (1744, 47010), (2180, 37608), (2616, 31340), (3134, 26160), (3270, 25072), (3488, 23505), (4360, 18804), (4701, 17440), (5232, 15670), (6268, 13080), (6540, 12536), (7835, 10464), (8720, 9402)]