42840720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:254

約数の個数: 240

約数和(自身を含む): 162489600

約数和(自身を除く): 119648880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 104, 115, 117, 120, 130, 138, 144, 156, 180, 184, 195, 199, 207, 208, 230, 234, 240, 260, 276, 299, 312, 345, 360, 368, 390, 398, 414, 460, 468, 520, 552, 585, 597, 598, 624, 690, 720, 780, 796, 828, 897, 920, 936, 995, 1035, 1040, 1104, 1170, 1194, 1196, 1380, 1495, 1560, 1592, 1656, 1791, 1794, 1840, 1872, 1990, 2070, 2340, 2388, 2392, 2587, 2691, 2760, 2985, 2990, 3120, 3184, 3312, 3582, 3588, 3980, 4140, 4485, 4577, 4680, 4776, 4784, 5174, 5382, 5520, 5970, 5980, 7164, 7176, 7761, 7960, 8280, 8955, 8970, 9154, 9360, 9552, 10348, 10764, 11940, 11960, 12935, 13455, 13731, 14328, 14352, 15522, 15920, 16560, 17910, 17940, 18308, 20696, 21528, 22885, 23283, 23880, 23920, 25870, 26910, 27462, 28656, 31044, 35820, 35880, 36616, 38805, 41193, 41392, 43056, 45770, 46566, 47760, 51740, 53820, 54924, 59501, 62088, 68655, 71640, 71760, 73232, 77610, 82386, 91540, 93132, 103480, 107640, 109848, 116415, 119002, 124176, 137310, 143280, 155220, 164772, 178503, 183080, 186264, 205965, 206960, 215280, 219696, 232830, 238004, 274620, 297505, 310440, 329544, 357006, 366160, 372528, 411930, 465660, 476008, 535509, 549240, 595010, 620880, 659088, 714012, 823860, 892515, 931320, 952016, 1071018, 1098480, 1190020, 1428024, 1647720, 1785030, 1862640, 2142036, 2380040, 2677545, 2856048, 3295440, 3570060, 4284072, 4760080, 5355090, 7140120, 8568144, 10710180, 14280240, 21420360, 42840720]

約数ペア:

[(1, 42840720), (2, 21420360), (3, 14280240), (4, 10710180), (5, 8568144), (6, 7140120), (8, 5355090), (9, 4760080), (10, 4284072), (12, 3570060), (13, 3295440), (15, 2856048), (16, 2677545), (18, 2380040), (20, 2142036), (23, 1862640), (24, 1785030), (26, 1647720), (30, 1428024), (36, 1190020), (39, 1098480), (40, 1071018), (45, 952016), (46, 931320), (48, 892515), (52, 823860), (60, 714012), (65, 659088), (69, 620880), (72, 595010), (78, 549240), (80, 535509), (90, 476008), (92, 465660), (104, 411930), (115, 372528), (117, 366160), (120, 357006), (130, 329544), (138, 310440), (144, 297505), (156, 274620), (180, 238004), (184, 232830), (195, 219696), (199, 215280), (207, 206960), (208, 205965), (230, 186264), (234, 183080), (240, 178503), (260, 164772), (276, 155220), (299, 143280), (312, 137310), (345, 124176), (360, 119002), (368, 116415), (390, 109848), (398, 107640), (414, 103480), (460, 93132), (468, 91540), (520, 82386), (552, 77610), (585, 73232), (597, 71760), (598, 71640), (624, 68655), (690, 62088), (720, 59501), (780, 54924), (796, 53820), (828, 51740), (897, 47760), (920, 46566), (936, 45770), (995, 43056), (1035, 41392), (1040, 41193), (1104, 38805), (1170, 36616), (1194, 35880), (1196, 35820), (1380, 31044), (1495, 28656), (1560, 27462), (1592, 26910), (1656, 25870), (1791, 23920), (1794, 23880), (1840, 23283), (1872, 22885), (1990, 21528), (2070, 20696), (2340, 18308), (2388, 17940), (2392, 17910), (2587, 16560), (2691, 15920), (2760, 15522), (2985, 14352), (2990, 14328), (3120, 13731), (3184, 13455), (3312, 12935), (3582, 11960), (3588, 11940), (3980, 10764), (4140, 10348), (4485, 9552), (4577, 9360), (4680, 9154), (4776, 8970), (4784, 8955), (5174, 8280), (5382, 7960), (5520, 7761), (5970, 7176), (5980, 7164)]