31276080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{359}}^1$

素因数の和:400

約数の個数: 180

約数和(自身を含む): 115773840

約数和(自身を除く): 84497760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 121, 132, 144, 165, 176, 180, 198, 220, 240, 242, 264, 330, 359, 360, 363, 396, 440, 484, 495, 528, 605, 660, 718, 720, 726, 792, 880, 968, 990, 1077, 1089, 1210, 1320, 1436, 1452, 1584, 1795, 1815, 1936, 1980, 2154, 2178, 2420, 2640, 2872, 2904, 3231, 3590, 3630, 3949, 3960, 4308, 4356, 4840, 5385, 5445, 5744, 5808, 6462, 7180, 7260, 7898, 7920, 8616, 8712, 9680, 10770, 10890, 11847, 12924, 14360, 14520, 15796, 16155, 17232, 17424, 19745, 21540, 21780, 23694, 25848, 28720, 29040, 31592, 32310, 35541, 39490, 43080, 43439, 43560, 47388, 51696, 59235, 63184, 64620, 71082, 78980, 86160, 86878, 87120, 94776, 118470, 129240, 130317, 142164, 157960, 173756, 177705, 189552, 217195, 236940, 258480, 260634, 284328, 315920, 347512, 355410, 390951, 434390, 473880, 521268, 568656, 651585, 695024, 710820, 781902, 868780, 947760, 1042536, 1303170, 1421640, 1563804, 1737560, 1954755, 2085072, 2606340, 2843280, 3127608, 3475120, 3909510, 5212680, 6255216, 7819020, 10425360, 15638040, 31276080]

約数ペア:

[(1, 31276080), (2, 15638040), (3, 10425360), (4, 7819020), (5, 6255216), (6, 5212680), (8, 3909510), (9, 3475120), (10, 3127608), (11, 2843280), (12, 2606340), (15, 2085072), (16, 1954755), (18, 1737560), (20, 1563804), (22, 1421640), (24, 1303170), (30, 1042536), (33, 947760), (36, 868780), (40, 781902), (44, 710820), (45, 695024), (48, 651585), (55, 568656), (60, 521268), (66, 473880), (72, 434390), (80, 390951), (88, 355410), (90, 347512), (99, 315920), (110, 284328), (120, 260634), (121, 258480), (132, 236940), (144, 217195), (165, 189552), (176, 177705), (180, 173756), (198, 157960), (220, 142164), (240, 130317), (242, 129240), (264, 118470), (330, 94776), (359, 87120), (360, 86878), (363, 86160), (396, 78980), (440, 71082), (484, 64620), (495, 63184), (528, 59235), (605, 51696), (660, 47388), (718, 43560), (720, 43439), (726, 43080), (792, 39490), (880, 35541), (968, 32310), (990, 31592), (1077, 29040), (1089, 28720), (1210, 25848), (1320, 23694), (1436, 21780), (1452, 21540), (1584, 19745), (1795, 17424), (1815, 17232), (1936, 16155), (1980, 15796), (2154, 14520), (2178, 14360), (2420, 12924), (2640, 11847), (2872, 10890), (2904, 10770), (3231, 9680), (3590, 8712), (3630, 8616), (3949, 7920), (3960, 7898), (4308, 7260), (4356, 7180), (4840, 6462), (5385, 5808), (5445, 5744)]