209748480

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:938

約数の個数: 160

約数和(自身を含む): 692955648

約数和(自身を除く): 483207168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 744, 768, 881, 930, 960, 992, 1240, 1280, 1488, 1536, 1762, 1860, 1920, 1984, 2480, 2560, 2643, 2976, 3524, 3720, 3840, 3968, 4405, 4960, 5286, 5952, 7048, 7440, 7680, 7936, 8810, 9920, 10572, 11904, 13215, 14096, 14880, 15872, 17620, 19840, 21144, 23808, 26430, 27311, 28192, 29760, 35240, 39680, 42288, 47616, 52860, 54622, 56384, 59520, 70480, 79360, 81933, 84576, 105720, 109244, 112768, 119040, 136555, 140960, 163866, 169152, 211440, 218488, 225536, 238080, 273110, 281920, 327732, 338304, 409665, 422880, 436976, 451072, 546220, 563840, 655464, 676608, 819330, 845760, 873952, 1092440, 1127680, 1310928, 1353216, 1638660, 1691520, 1747904, 2184880, 2255360, 2621856, 3277320, 3383040, 3495808, 4369760, 5243712, 6554640, 6766080, 6991616, 8739520, 10487424, 13109280, 13983232, 17479040, 20974848, 26218560, 34958080, 41949696, 52437120, 69916160, 104874240, 209748480]

約数ペア:

[(1, 209748480), (2, 104874240), (3, 69916160), (4, 52437120), (5, 41949696), (6, 34958080), (8, 26218560), (10, 20974848), (12, 17479040), (15, 13983232), (16, 13109280), (20, 10487424), (24, 8739520), (30, 6991616), (31, 6766080), (32, 6554640), (40, 5243712), (48, 4369760), (60, 3495808), (62, 3383040), (64, 3277320), (80, 2621856), (93, 2255360), (96, 2184880), (120, 1747904), (124, 1691520), (128, 1638660), (155, 1353216), (160, 1310928), (186, 1127680), (192, 1092440), (240, 873952), (248, 845760), (256, 819330), (310, 676608), (320, 655464), (372, 563840), (384, 546220), (465, 451072), (480, 436976), (496, 422880), (512, 409665), (620, 338304), (640, 327732), (744, 281920), (768, 273110), (881, 238080), (930, 225536), (960, 218488), (992, 211440), (1240, 169152), (1280, 163866), (1488, 140960), (1536, 136555), (1762, 119040), (1860, 112768), (1920, 109244), (1984, 105720), (2480, 84576), (2560, 81933), (2643, 79360), (2976, 70480), (3524, 59520), (3720, 56384), (3840, 54622), (3968, 52860), (4405, 47616), (4960, 42288), (5286, 39680), (5952, 35240), (7048, 29760), (7440, 28192), (7680, 27311), (7936, 26430), (8810, 23808), (9920, 21144), (10572, 19840), (11904, 17620), (13215, 15872), (14096, 14880)]