29971620

素因数分解:

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

素因数の和:912

約数の個数: 144

約数和(自身を含む): 107872128

約数和(自身を除く): 77900508

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, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 881, 945, 972, 1134, 1215, 1260, 1620, 1701, 1762, 1890, 2268, 2430, 2643, 2835, 3402, 3524, 3780, 4405, 4860, 5286, 5670, 6167, 6804, 7929, 8505, 8810, 10572, 11340, 12334, 13215, 15858, 17010, 17620, 18501, 23787, 24668, 26430, 30835, 31716, 34020, 37002, 39645, 47574, 52860, 55503, 61670, 71361, 74004, 79290, 92505, 95148, 111006, 118935, 123340, 142722, 158580, 166509, 185010, 214083, 222012, 237870, 277515, 285444, 333018, 356805, 370020, 428166, 475740, 499527, 555030, 666036, 713610, 832545, 856332, 999054, 1070415, 1110060, 1427220, 1498581, 1665090, 1998108, 2140830, 2497635, 2997162, 3330180, 4281660, 4995270, 5994324, 7492905, 9990540, 14985810, 29971620]

約数ペア:

[(1, 29971620), (2, 14985810), (3, 9990540), (4, 7492905), (5, 5994324), (6, 4995270), (7, 4281660), (9, 3330180), (10, 2997162), (12, 2497635), (14, 2140830), (15, 1998108), (18, 1665090), (20, 1498581), (21, 1427220), (27, 1110060), (28, 1070415), (30, 999054), (35, 856332), (36, 832545), (42, 713610), (45, 666036), (54, 555030), (60, 499527), (63, 475740), (70, 428166), (81, 370020), (84, 356805), (90, 333018), (105, 285444), (108, 277515), (126, 237870), (135, 222012), (140, 214083), (162, 185010), (180, 166509), (189, 158580), (210, 142722), (243, 123340), (252, 118935), (270, 111006), (315, 95148), (324, 92505), (378, 79290), (405, 74004), (420, 71361), (486, 61670), (540, 55503), (567, 52860), (630, 47574), (756, 39645), (810, 37002), (881, 34020), (945, 31716), (972, 30835), (1134, 26430), (1215, 24668), (1260, 23787), (1620, 18501), (1701, 17620), (1762, 17010), (1890, 15858), (2268, 13215), (2430, 12334), (2643, 11340), (2835, 10572), (3402, 8810), (3524, 8505), (3780, 7929), (4405, 6804), (4860, 6167), (5286, 5670)]