18515640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1$

素因数の和:134

約数の個数: 192

約数和(自身を含む): 66407040

約数和(自身を除く): 47891400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 83, 88, 104, 110, 120, 130, 132, 143, 156, 165, 166, 169, 195, 220, 249, 260, 264, 286, 312, 330, 332, 338, 390, 415, 429, 440, 498, 507, 520, 572, 660, 664, 676, 715, 780, 830, 845, 858, 913, 996, 1014, 1079, 1144, 1245, 1320, 1352, 1430, 1560, 1660, 1690, 1716, 1826, 1859, 1992, 2028, 2145, 2158, 2490, 2535, 2739, 2860, 3237, 3320, 3380, 3432, 3652, 3718, 4056, 4290, 4316, 4565, 4980, 5070, 5395, 5478, 5577, 5720, 6474, 6760, 7304, 7436, 8580, 8632, 9130, 9295, 9960, 10140, 10790, 10956, 11154, 11869, 12948, 13695, 14027, 14872, 16185, 17160, 18260, 18590, 20280, 21580, 21912, 22308, 23738, 25896, 27390, 27885, 28054, 32370, 35607, 36520, 37180, 42081, 43160, 44616, 47476, 54780, 55770, 56108, 59345, 64740, 70135, 71214, 74360, 84162, 94952, 109560, 111540, 112216, 118690, 129480, 140270, 142428, 154297, 168324, 178035, 210405, 223080, 237380, 280540, 284856, 308594, 336648, 356070, 420810, 462891, 474760, 561080, 617188, 712140, 771485, 841620, 925782, 1234376, 1424280, 1542970, 1683240, 1851564, 2314455, 3085940, 3703128, 4628910, 6171880, 9257820, 18515640]

約数ペア:

[(1, 18515640), (2, 9257820), (3, 6171880), (4, 4628910), (5, 3703128), (6, 3085940), (8, 2314455), (10, 1851564), (11, 1683240), (12, 1542970), (13, 1424280), (15, 1234376), (20, 925782), (22, 841620), (24, 771485), (26, 712140), (30, 617188), (33, 561080), (39, 474760), (40, 462891), (44, 420810), (52, 356070), (55, 336648), (60, 308594), (65, 284856), (66, 280540), (78, 237380), (83, 223080), (88, 210405), (104, 178035), (110, 168324), (120, 154297), (130, 142428), (132, 140270), (143, 129480), (156, 118690), (165, 112216), (166, 111540), (169, 109560), (195, 94952), (220, 84162), (249, 74360), (260, 71214), (264, 70135), (286, 64740), (312, 59345), (330, 56108), (332, 55770), (338, 54780), (390, 47476), (415, 44616), (429, 43160), (440, 42081), (498, 37180), (507, 36520), (520, 35607), (572, 32370), (660, 28054), (664, 27885), (676, 27390), (715, 25896), (780, 23738), (830, 22308), (845, 21912), (858, 21580), (913, 20280), (996, 18590), (1014, 18260), (1079, 17160), (1144, 16185), (1245, 14872), (1320, 14027), (1352, 13695), (1430, 12948), (1560, 11869), (1660, 11154), (1690, 10956), (1716, 10790), (1826, 10140), (1859, 9960), (1992, 9295), (2028, 9130), (2145, 8632), (2158, 8580), (2490, 7436), (2535, 7304), (2739, 6760), (2860, 6474), (3237, 5720), (3320, 5577), (3380, 5478), (3432, 5395), (3652, 5070), (3718, 4980), (4056, 4565), (4290, 4316)]