9990540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{881}}^1$

素因数の和:909

約数の個数: 120

約数和(自身を含む): 35858592

約数和(自身を除く): 25868052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 881, 945, 1134, 1260, 1620, 1762, 1890, 2268, 2643, 2835, 3524, 3780, 4405, 5286, 5670, 6167, 7929, 8810, 10572, 11340, 12334, 13215, 15858, 17620, 18501, 23787, 24668, 26430, 30835, 31716, 37002, 39645, 47574, 52860, 55503, 61670, 71361, 74004, 79290, 92505, 95148, 111006, 118935, 123340, 142722, 158580, 166509, 185010, 222012, 237870, 277515, 285444, 333018, 356805, 370020, 475740, 499527, 555030, 666036, 713610, 832545, 999054, 1110060, 1427220, 1665090, 1998108, 2497635, 3330180, 4995270, 9990540]

約数ペア:

[(1, 9990540), (2, 4995270), (3, 3330180), (4, 2497635), (5, 1998108), (6, 1665090), (7, 1427220), (9, 1110060), (10, 999054), (12, 832545), (14, 713610), (15, 666036), (18, 555030), (20, 499527), (21, 475740), (27, 370020), (28, 356805), (30, 333018), (35, 285444), (36, 277515), (42, 237870), (45, 222012), (54, 185010), (60, 166509), (63, 158580), (70, 142722), (81, 123340), (84, 118935), (90, 111006), (105, 95148), (108, 92505), (126, 79290), (135, 74004), (140, 71361), (162, 61670), (180, 55503), (189, 52860), (210, 47574), (252, 39645), (270, 37002), (315, 31716), (324, 30835), (378, 26430), (405, 24668), (420, 23787), (540, 18501), (567, 17620), (630, 15858), (756, 13215), (810, 12334), (881, 11340), (945, 10572), (1134, 8810), (1260, 7929), (1620, 6167), (1762, 5670), (1890, 5286), (2268, 4405), (2643, 3780), (2835, 3524)]