642724740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{881}}^1$

素因数の和:1099

約数の個数: 192

約数和(自身を含む): 2299691520

約数和(自身を除く): 1656966780

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, 84, 90, 105, 108, 126, 135, 140, 180, 189, 193, 210, 252, 270, 315, 378, 386, 420, 540, 579, 630, 756, 772, 881, 945, 965, 1158, 1260, 1351, 1737, 1762, 1890, 1930, 2316, 2643, 2702, 2895, 3474, 3524, 3780, 3860, 4053, 4405, 5211, 5286, 5404, 5790, 6167, 6755, 6948, 7929, 8106, 8685, 8810, 10422, 10572, 11580, 12159, 12334, 13215, 13510, 15858, 16212, 17370, 17620, 18501, 20265, 20844, 23787, 24318, 24668, 26055, 26430, 27020, 30835, 31716, 34740, 36477, 37002, 39645, 40530, 47574, 48636, 52110, 52860, 55503, 60795, 61670, 72954, 74004, 79290, 81060, 92505, 95148, 104220, 111006, 118935, 121590, 123340, 145908, 158580, 166509, 170033, 182385, 185010, 222012, 237870, 243180, 277515, 333018, 340066, 364770, 370020, 475740, 510099, 555030, 666036, 680132, 729540, 832545, 850165, 1020198, 1110060, 1190231, 1530297, 1665090, 1700330, 2040396, 2380462, 2550495, 3060594, 3330180, 3400660, 3570693, 4590891, 4760924, 5100990, 5951155, 6121188, 7141386, 7651485, 9181782, 10201980, 10712079, 11902310, 14282772, 15302970, 17853465, 18363564, 21424158, 22954455, 23804620, 30605940, 32136237, 35706930, 42848316, 45908910, 53560395, 64272474, 71413860, 91817820, 107120790, 128544948, 160681185, 214241580, 321362370, 642724740]

約数ペア:

[(1, 642724740), (2, 321362370), (3, 214241580), (4, 160681185), (5, 128544948), (6, 107120790), (7, 91817820), (9, 71413860), (10, 64272474), (12, 53560395), (14, 45908910), (15, 42848316), (18, 35706930), (20, 32136237), (21, 30605940), (27, 23804620), (28, 22954455), (30, 21424158), (35, 18363564), (36, 17853465), (42, 15302970), (45, 14282772), (54, 11902310), (60, 10712079), (63, 10201980), (70, 9181782), (84, 7651485), (90, 7141386), (105, 6121188), (108, 5951155), (126, 5100990), (135, 4760924), (140, 4590891), (180, 3570693), (189, 3400660), (193, 3330180), (210, 3060594), (252, 2550495), (270, 2380462), (315, 2040396), (378, 1700330), (386, 1665090), (420, 1530297), (540, 1190231), (579, 1110060), (630, 1020198), (756, 850165), (772, 832545), (881, 729540), (945, 680132), (965, 666036), (1158, 555030), (1260, 510099), (1351, 475740), (1737, 370020), (1762, 364770), (1890, 340066), (1930, 333018), (2316, 277515), (2643, 243180), (2702, 237870), (2895, 222012), (3474, 185010), (3524, 182385), (3780, 170033), (3860, 166509), (4053, 158580), (4405, 145908), (5211, 123340), (5286, 121590), (5404, 118935), (5790, 111006), (6167, 104220), (6755, 95148), (6948, 92505), (7929, 81060), (8106, 79290), (8685, 74004), (8810, 72954), (10422, 61670), (10572, 60795), (11580, 55503), (12159, 52860), (12334, 52110), (13215, 48636), (13510, 47574), (15858, 40530), (16212, 39645), (17370, 37002), (17620, 36477), (18501, 34740), (20265, 31716), (20844, 30835), (23787, 27020), (24318, 26430), (24668, 26055)]