2149921920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:975

約数の個数: 256

約数和(自身を含む): 7254696960

約数和(自身を除く): 5104775040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 41, 48, 60, 62, 64, 80, 82, 93, 96, 120, 123, 124, 128, 155, 160, 164, 186, 192, 205, 240, 246, 248, 310, 320, 328, 372, 384, 410, 465, 480, 492, 496, 615, 620, 640, 656, 744, 820, 881, 930, 960, 984, 992, 1230, 1240, 1271, 1312, 1488, 1640, 1762, 1860, 1920, 1968, 1984, 2460, 2480, 2542, 2624, 2643, 2976, 3280, 3524, 3720, 3813, 3936, 3968, 4405, 4920, 4960, 5084, 5248, 5286, 5952, 6355, 6560, 7048, 7440, 7626, 7872, 8810, 9840, 9920, 10168, 10572, 11904, 12710, 13120, 13215, 14096, 14880, 15252, 15744, 17620, 19065, 19680, 19840, 20336, 21144, 25420, 26240, 26430, 27311, 28192, 29760, 30504, 35240, 36121, 38130, 39360, 40672, 42288, 50840, 52860, 54622, 56384, 59520, 61008, 70480, 72242, 76260, 78720, 81344, 81933, 84576, 101680, 105720, 108363, 109244, 112768, 122016, 136555, 140960, 144484, 152520, 162688, 163866, 169152, 180605, 203360, 211440, 216726, 218488, 244032, 273110, 281920, 288968, 305040, 327732, 338304, 361210, 406720, 409665, 422880, 433452, 436976, 488064, 541815, 546220, 563840, 577936, 610080, 655464, 722420, 813440, 819330, 845760, 866904, 873952, 1083630, 1092440, 1119751, 1155872, 1220160, 1310928, 1444840, 1638660, 1691520, 1733808, 1747904, 2167260, 2184880, 2239502, 2311744, 2440320, 2621856, 2889680, 3277320, 3359253, 3467616, 3495808, 4334520, 4369760, 4479004, 4623488, 5243712, 5598755, 5779360, 6554640, 6718506, 6935232, 8669040, 8739520, 8958008, 10487424, 11197510, 11558720, 13109280, 13437012, 13870464, 16796265, 17338080, 17479040, 17916016, 22395020, 23117440, 26218560, 26874024, 33592530, 34676160, 35832032, 44790040, 52437120, 53748048, 67185060, 69352320, 71664064, 89580080, 107496096, 134370120, 143328128, 179160160, 214992192, 268740240, 358320320, 429984384, 537480480, 716640640, 1074960960, 2149921920]

約数ペア:

[(1, 2149921920), (2, 1074960960), (3, 716640640), (4, 537480480), (5, 429984384), (6, 358320320), (8, 268740240), (10, 214992192), (12, 179160160), (15, 143328128), (16, 134370120), (20, 107496096), (24, 89580080), (30, 71664064), (31, 69352320), (32, 67185060), (40, 53748048), (41, 52437120), (48, 44790040), (60, 35832032), (62, 34676160), (64, 33592530), (80, 26874024), (82, 26218560), (93, 23117440), (96, 22395020), (120, 17916016), (123, 17479040), (124, 17338080), (128, 16796265), (155, 13870464), (160, 13437012), (164, 13109280), (186, 11558720), (192, 11197510), (205, 10487424), (240, 8958008), (246, 8739520), (248, 8669040), (310, 6935232), (320, 6718506), (328, 6554640), (372, 5779360), (384, 5598755), (410, 5243712), (465, 4623488), (480, 4479004), (492, 4369760), (496, 4334520), (615, 3495808), (620, 3467616), (640, 3359253), (656, 3277320), (744, 2889680), (820, 2621856), (881, 2440320), (930, 2311744), (960, 2239502), (984, 2184880), (992, 2167260), (1230, 1747904), (1240, 1733808), (1271, 1691520), (1312, 1638660), (1488, 1444840), (1640, 1310928), (1762, 1220160), (1860, 1155872), (1920, 1119751), (1968, 1092440), (1984, 1083630), (2460, 873952), (2480, 866904), (2542, 845760), (2624, 819330), (2643, 813440), (2976, 722420), (3280, 655464), (3524, 610080), (3720, 577936), (3813, 563840), (3936, 546220), (3968, 541815), (4405, 488064), (4920, 436976), (4960, 433452), (5084, 422880), (5248, 409665), (5286, 406720), (5952, 361210), (6355, 338304), (6560, 327732), (7048, 305040), (7440, 288968), (7626, 281920), (7872, 273110), (8810, 244032), (9840, 218488), (9920, 216726), (10168, 211440), (10572, 203360), (11904, 180605), (12710, 169152), (13120, 163866), (13215, 162688), (14096, 152520), (14880, 144484), (15252, 140960), (15744, 136555), (17620, 122016), (19065, 112768), (19680, 109244), (19840, 108363), (20336, 105720), (21144, 101680), (25420, 84576), (26240, 81933), (26430, 81344), (27311, 78720), (28192, 76260), (29760, 72242), (30504, 70480), (35240, 61008), (36121, 59520), (38130, 56384), (39360, 54622), (40672, 52860), (42288, 50840)]