71872320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{443}}^1$

素因数の和:489

約数の個数: 168

約数和(自身を含む): 247656096

約数和(自身を除く): 175783776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 192, 195, 208, 240, 260, 312, 320, 338, 390, 416, 443, 480, 507, 520, 624, 676, 780, 832, 845, 886, 960, 1014, 1040, 1248, 1329, 1352, 1560, 1690, 1772, 2028, 2080, 2215, 2496, 2535, 2658, 2704, 3120, 3380, 3544, 4056, 4160, 4430, 5070, 5316, 5408, 5759, 6240, 6645, 6760, 7088, 8112, 8860, 10140, 10632, 10816, 11518, 12480, 13290, 13520, 14176, 16224, 17277, 17720, 20280, 21264, 23036, 26580, 27040, 28352, 28795, 32448, 34554, 35440, 40560, 42528, 46072, 53160, 54080, 57590, 69108, 70880, 74867, 81120, 85056, 86385, 92144, 106320, 115180, 138216, 141760, 149734, 162240, 172770, 184288, 212640, 224601, 230360, 276432, 299468, 345540, 368576, 374335, 425280, 449202, 460720, 552864, 598936, 691080, 748670, 898404, 921440, 1105728, 1123005, 1197872, 1382160, 1497340, 1796808, 1842880, 2246010, 2395744, 2764320, 2994680, 3593616, 4492020, 4791488, 5528640, 5989360, 7187232, 8984040, 11978720, 14374464, 17968080, 23957440, 35936160, 71872320]

約数ペア:

[(1, 71872320), (2, 35936160), (3, 23957440), (4, 17968080), (5, 14374464), (6, 11978720), (8, 8984040), (10, 7187232), (12, 5989360), (13, 5528640), (15, 4791488), (16, 4492020), (20, 3593616), (24, 2994680), (26, 2764320), (30, 2395744), (32, 2246010), (39, 1842880), (40, 1796808), (48, 1497340), (52, 1382160), (60, 1197872), (64, 1123005), (65, 1105728), (78, 921440), (80, 898404), (96, 748670), (104, 691080), (120, 598936), (130, 552864), (156, 460720), (160, 449202), (169, 425280), (192, 374335), (195, 368576), (208, 345540), (240, 299468), (260, 276432), (312, 230360), (320, 224601), (338, 212640), (390, 184288), (416, 172770), (443, 162240), (480, 149734), (507, 141760), (520, 138216), (624, 115180), (676, 106320), (780, 92144), (832, 86385), (845, 85056), (886, 81120), (960, 74867), (1014, 70880), (1040, 69108), (1248, 57590), (1329, 54080), (1352, 53160), (1560, 46072), (1690, 42528), (1772, 40560), (2028, 35440), (2080, 34554), (2215, 32448), (2496, 28795), (2535, 28352), (2658, 27040), (2704, 26580), (3120, 23036), (3380, 21264), (3544, 20280), (4056, 17720), (4160, 17277), (4430, 16224), (5070, 14176), (5316, 13520), (5408, 13290), (5759, 12480), (6240, 11518), (6645, 10816), (6760, 10632), (7088, 10140), (8112, 8860)]