8451840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:126

約数の個数: 144

約数和(自身を含む): 28256256

約数和(自身を除く): 19804416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 71, 80, 93, 96, 120, 124, 128, 142, 155, 160, 186, 192, 213, 240, 248, 256, 284, 310, 320, 355, 372, 384, 426, 465, 480, 496, 568, 620, 640, 710, 744, 768, 852, 930, 960, 992, 1065, 1136, 1240, 1280, 1420, 1488, 1704, 1860, 1920, 1984, 2130, 2201, 2272, 2480, 2840, 2976, 3408, 3720, 3840, 3968, 4260, 4402, 4544, 4960, 5680, 5952, 6603, 6816, 7440, 7936, 8520, 8804, 9088, 9920, 11005, 11360, 11904, 13206, 13632, 14880, 17040, 17608, 18176, 19840, 22010, 22720, 23808, 26412, 27264, 29760, 33015, 34080, 35216, 39680, 44020, 45440, 52824, 54528, 59520, 66030, 68160, 70432, 88040, 90880, 105648, 119040, 132060, 136320, 140864, 176080, 211296, 264120, 272640, 281728, 352160, 422592, 528240, 563456, 704320, 845184, 1056480, 1408640, 1690368, 2112960, 2817280, 4225920, 8451840]

約数ペア:

[(1, 8451840), (2, 4225920), (3, 2817280), (4, 2112960), (5, 1690368), (6, 1408640), (8, 1056480), (10, 845184), (12, 704320), (15, 563456), (16, 528240), (20, 422592), (24, 352160), (30, 281728), (31, 272640), (32, 264120), (40, 211296), (48, 176080), (60, 140864), (62, 136320), (64, 132060), (71, 119040), (80, 105648), (93, 90880), (96, 88040), (120, 70432), (124, 68160), (128, 66030), (142, 59520), (155, 54528), (160, 52824), (186, 45440), (192, 44020), (213, 39680), (240, 35216), (248, 34080), (256, 33015), (284, 29760), (310, 27264), (320, 26412), (355, 23808), (372, 22720), (384, 22010), (426, 19840), (465, 18176), (480, 17608), (496, 17040), (568, 14880), (620, 13632), (640, 13206), (710, 11904), (744, 11360), (768, 11005), (852, 9920), (930, 9088), (960, 8804), (992, 8520), (1065, 7936), (1136, 7440), (1240, 6816), (1280, 6603), (1420, 5952), (1488, 5680), (1704, 4960), (1860, 4544), (1920, 4402), (1984, 4260), (2130, 3968), (2201, 3840), (2272, 3720), (2480, 3408), (2840, 2976)]