80744040

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:116

約数の個数: 256

約数和(自身を含む): 297561600

約数和(自身を除く): 216817560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 71, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 142, 156, 162, 180, 195, 213, 216, 234, 243, 260, 270, 284, 312, 324, 351, 355, 360, 390, 405, 426, 468, 486, 520, 540, 568, 585, 639, 648, 702, 710, 729, 780, 810, 852, 923, 936, 972, 1053, 1065, 1080, 1170, 1215, 1278, 1404, 1420, 1458, 1560, 1620, 1704, 1755, 1846, 1917, 1944, 2106, 2130, 2187, 2340, 2430, 2556, 2769, 2808, 2840, 2916, 3159, 3195, 3240, 3510, 3645, 3692, 3834, 4212, 4260, 4374, 4615, 4680, 4860, 5112, 5265, 5538, 5751, 5832, 6318, 6390, 7020, 7290, 7384, 7668, 8307, 8424, 8520, 8748, 9230, 9477, 9585, 9720, 10530, 10935, 11076, 11502, 12636, 12780, 13845, 14040, 14580, 15336, 15795, 16614, 17253, 17496, 18460, 18954, 19170, 21060, 21870, 22152, 23004, 24921, 25272, 25560, 27690, 28431, 28755, 29160, 31590, 33228, 34506, 36920, 37908, 38340, 41535, 42120, 43740, 46008, 47385, 49842, 51759, 55380, 56862, 57510, 63180, 66456, 69012, 74763, 75816, 76680, 83070, 86265, 87480, 94770, 99684, 103518, 110760, 113724, 115020, 124605, 126360, 138024, 142155, 149526, 155277, 166140, 172530, 189540, 199368, 207036, 224289, 227448, 230040, 249210, 258795, 284310, 299052, 310554, 332280, 345060, 373815, 379080, 414072, 448578, 498420, 517590, 568620, 598104, 621108, 672867, 690120, 747630, 776385, 897156, 996840, 1035180, 1121445, 1137240, 1242216, 1345734, 1495260, 1552770, 1794312, 2018601, 2070360, 2242890, 2691468, 2990520, 3105540, 3364335, 4037202, 4485780, 5382936, 6211080, 6728670, 8074404, 8971560, 10093005, 13457340, 16148808, 20186010, 26914680, 40372020, 80744040]

約数ペア:

[(1, 80744040), (2, 40372020), (3, 26914680), (4, 20186010), (5, 16148808), (6, 13457340), (8, 10093005), (9, 8971560), (10, 8074404), (12, 6728670), (13, 6211080), (15, 5382936), (18, 4485780), (20, 4037202), (24, 3364335), (26, 3105540), (27, 2990520), (30, 2691468), (36, 2242890), (39, 2070360), (40, 2018601), (45, 1794312), (52, 1552770), (54, 1495260), (60, 1345734), (65, 1242216), (71, 1137240), (72, 1121445), (78, 1035180), (81, 996840), (90, 897156), (104, 776385), (108, 747630), (117, 690120), (120, 672867), (130, 621108), (135, 598104), (142, 568620), (156, 517590), (162, 498420), (180, 448578), (195, 414072), (213, 379080), (216, 373815), (234, 345060), (243, 332280), (260, 310554), (270, 299052), (284, 284310), (312, 258795), (324, 249210), (351, 230040), (355, 227448), (360, 224289), (390, 207036), (405, 199368), (426, 189540), (468, 172530), (486, 166140), (520, 155277), (540, 149526), (568, 142155), (585, 138024), (639, 126360), (648, 124605), (702, 115020), (710, 113724), (729, 110760), (780, 103518), (810, 99684), (852, 94770), (923, 87480), (936, 86265), (972, 83070), (1053, 76680), (1065, 75816), (1080, 74763), (1170, 69012), (1215, 66456), (1278, 63180), (1404, 57510), (1420, 56862), (1458, 55380), (1560, 51759), (1620, 49842), (1704, 47385), (1755, 46008), (1846, 43740), (1917, 42120), (1944, 41535), (2106, 38340), (2130, 37908), (2187, 36920), (2340, 34506), (2430, 33228), (2556, 31590), (2769, 29160), (2808, 28755), (2840, 28431), (2916, 27690), (3159, 25560), (3195, 25272), (3240, 24921), (3510, 23004), (3645, 22152), (3692, 21870), (3834, 21060), (4212, 19170), (4260, 18954), (4374, 18460), (4615, 17496), (4680, 17253), (4860, 16614), (5112, 15795), (5265, 15336), (5538, 14580), (5751, 14040), (5832, 13845), (6318, 12780), (6390, 12636), (7020, 11502), (7290, 11076), (7384, 10935), (7668, 10530), (8307, 9720), (8424, 9585), (8520, 9477), (8748, 9230)]