28331520

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 320

約数和(自身を含む): 113135616

約数和(自身を除く): 84804096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 31, 32, 34, 35, 40, 42, 48, 51, 56, 60, 62, 64, 68, 70, 80, 84, 85, 93, 96, 102, 105, 112, 119, 120, 124, 128, 136, 140, 155, 160, 168, 170, 186, 192, 204, 210, 217, 224, 238, 240, 248, 255, 256, 272, 280, 310, 320, 336, 340, 357, 372, 384, 408, 420, 434, 448, 465, 476, 480, 496, 510, 512, 527, 544, 560, 595, 620, 640, 651, 672, 680, 714, 744, 768, 816, 840, 868, 896, 930, 952, 960, 992, 1020, 1054, 1085, 1088, 1120, 1190, 1240, 1280, 1302, 1344, 1360, 1428, 1488, 1536, 1581, 1632, 1680, 1736, 1785, 1792, 1860, 1904, 1920, 1984, 2040, 2108, 2170, 2176, 2240, 2380, 2480, 2560, 2604, 2635, 2688, 2720, 2856, 2976, 3162, 3255, 3264, 3360, 3472, 3570, 3584, 3689, 3720, 3808, 3840, 3968, 4080, 4216, 4340, 4352, 4480, 4760, 4960, 5208, 5270, 5376, 5440, 5712, 5952, 6324, 6510, 6528, 6720, 6944, 7140, 7378, 7440, 7616, 7680, 7905, 7936, 8160, 8432, 8680, 8704, 8960, 9520, 9920, 10416, 10540, 10752, 10880, 11067, 11424, 11904, 12648, 13020, 13056, 13440, 13888, 14280, 14756, 14880, 15232, 15810, 15872, 16320, 16864, 17360, 17920, 18445, 19040, 19840, 20832, 21080, 21760, 22134, 22848, 23808, 25296, 26040, 26112, 26880, 27776, 28560, 29512, 29760, 30464, 31620, 32640, 33728, 34720, 36890, 38080, 39680, 41664, 42160, 43520, 44268, 45696, 47616, 50592, 52080, 53760, 55335, 55552, 57120, 59024, 59520, 60928, 63240, 65280, 67456, 69440, 73780, 76160, 79360, 83328, 84320, 88536, 91392, 101184, 104160, 110670, 111104, 114240, 118048, 119040, 126480, 130560, 134912, 138880, 147560, 152320, 166656, 168640, 177072, 182784, 202368, 208320, 221340, 228480, 236096, 238080, 252960, 269824, 277760, 295120, 304640, 333312, 337280, 354144, 404736, 416640, 442680, 456960, 472192, 505920, 555520, 590240, 674560, 708288, 809472, 833280, 885360, 913920, 944384, 1011840, 1180480, 1349120, 1416576, 1666560, 1770720, 1888768, 2023680, 2360960, 2833152, 3541440, 4047360, 4721920, 5666304, 7082880, 9443840, 14165760, 28331520]

約数ペア:

[(1, 28331520), (2, 14165760), (3, 9443840), (4, 7082880), (5, 5666304), (6, 4721920), (7, 4047360), (8, 3541440), (10, 2833152), (12, 2360960), (14, 2023680), (15, 1888768), (16, 1770720), (17, 1666560), (20, 1416576), (21, 1349120), (24, 1180480), (28, 1011840), (30, 944384), (31, 913920), (32, 885360), (34, 833280), (35, 809472), (40, 708288), (42, 674560), (48, 590240), (51, 555520), (56, 505920), (60, 472192), (62, 456960), (64, 442680), (68, 416640), (70, 404736), (80, 354144), (84, 337280), (85, 333312), (93, 304640), (96, 295120), (102, 277760), (105, 269824), (112, 252960), (119, 238080), (120, 236096), (124, 228480), (128, 221340), (136, 208320), (140, 202368), (155, 182784), (160, 177072), (168, 168640), (170, 166656), (186, 152320), (192, 147560), (204, 138880), (210, 134912), (217, 130560), (224, 126480), (238, 119040), (240, 118048), (248, 114240), (255, 111104), (256, 110670), (272, 104160), (280, 101184), (310, 91392), (320, 88536), (336, 84320), (340, 83328), (357, 79360), (372, 76160), (384, 73780), (408, 69440), (420, 67456), (434, 65280), (448, 63240), (465, 60928), (476, 59520), (480, 59024), (496, 57120), (510, 55552), (512, 55335), (527, 53760), (544, 52080), (560, 50592), (595, 47616), (620, 45696), (640, 44268), (651, 43520), (672, 42160), (680, 41664), (714, 39680), (744, 38080), (768, 36890), (816, 34720), (840, 33728), (868, 32640), (896, 31620), (930, 30464), (952, 29760), (960, 29512), (992, 28560), (1020, 27776), (1054, 26880), (1085, 26112), (1088, 26040), (1120, 25296), (1190, 23808), (1240, 22848), (1280, 22134), (1302, 21760), (1344, 21080), (1360, 20832), (1428, 19840), (1488, 19040), (1536, 18445), (1581, 17920), (1632, 17360), (1680, 16864), (1736, 16320), (1785, 15872), (1792, 15810), (1860, 15232), (1904, 14880), (1920, 14756), (1984, 14280), (2040, 13888), (2108, 13440), (2170, 13056), (2176, 13020), (2240, 12648), (2380, 11904), (2480, 11424), (2560, 11067), (2604, 10880), (2635, 10752), (2688, 10540), (2720, 10416), (2856, 9920), (2976, 9520), (3162, 8960), (3255, 8704), (3264, 8680), (3360, 8432), (3472, 8160), (3570, 7936), (3584, 7905), (3689, 7680), (3720, 7616), (3808, 7440), (3840, 7378), (3968, 7140), (4080, 6944), (4216, 6720), (4340, 6528), (4352, 6510), (4480, 6324), (4760, 5952), (4960, 5712), (5208, 5440), (5270, 5376)]