158980360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:827

約数の個数: 128

約数和(自身を含む): 452874240

約数和(自身を除く): 293893880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 110, 140, 142, 154, 220, 280, 284, 308, 355, 385, 440, 497, 568, 616, 710, 727, 770, 781, 994, 1420, 1454, 1540, 1562, 1988, 2485, 2840, 2908, 3080, 3124, 3635, 3905, 3976, 4970, 5089, 5467, 5816, 6248, 7270, 7810, 7997, 9940, 10178, 10934, 14540, 15620, 15994, 19880, 20356, 21868, 25445, 27335, 29080, 31240, 31988, 39985, 40712, 43736, 50890, 51617, 54670, 55979, 63976, 79970, 101780, 103234, 109340, 111958, 159940, 203560, 206468, 218680, 223916, 258085, 279895, 319880, 361319, 412936, 447832, 516170, 559790, 567787, 722638, 1032340, 1119580, 1135574, 1445276, 1806595, 2064680, 2239160, 2271148, 2838935, 2890552, 3613190, 3974509, 4542296, 5677870, 7226380, 7949018, 11355740, 14452760, 15898036, 19872545, 22711480, 31796072, 39745090, 79490180, 158980360]

約数ペア:

[(1, 158980360), (2, 79490180), (4, 39745090), (5, 31796072), (7, 22711480), (8, 19872545), (10, 15898036), (11, 14452760), (14, 11355740), (20, 7949018), (22, 7226380), (28, 5677870), (35, 4542296), (40, 3974509), (44, 3613190), (55, 2890552), (56, 2838935), (70, 2271148), (71, 2239160), (77, 2064680), (88, 1806595), (110, 1445276), (140, 1135574), (142, 1119580), (154, 1032340), (220, 722638), (280, 567787), (284, 559790), (308, 516170), (355, 447832), (385, 412936), (440, 361319), (497, 319880), (568, 279895), (616, 258085), (710, 223916), (727, 218680), (770, 206468), (781, 203560), (994, 159940), (1420, 111958), (1454, 109340), (1540, 103234), (1562, 101780), (1988, 79970), (2485, 63976), (2840, 55979), (2908, 54670), (3080, 51617), (3124, 50890), (3635, 43736), (3905, 40712), (3976, 39985), (4970, 31988), (5089, 31240), (5467, 29080), (5816, 27335), (6248, 25445), (7270, 21868), (7810, 20356), (7997, 19880), (9940, 15994), (10178, 15620), (10934, 14540)]