78655680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:935

約数の個数: 168

約数和(自身を含む): 279586944

約数和(自身を除く): 200931264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 881, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1762, 1860, 1984, 2232, 2480, 2643, 2790, 2880, 2976, 3524, 3720, 4405, 4464, 4960, 5286, 5580, 5952, 7048, 7440, 7929, 8810, 8928, 9920, 10572, 11160, 13215, 14096, 14880, 15858, 17620, 17856, 21144, 22320, 26430, 27311, 28192, 29760, 31716, 35240, 39645, 42288, 44640, 52860, 54622, 56384, 63432, 70480, 79290, 81933, 84576, 89280, 105720, 109244, 126864, 136555, 140960, 158580, 163866, 169152, 211440, 218488, 245799, 253728, 273110, 281920, 317160, 327732, 409665, 422880, 436976, 491598, 507456, 546220, 634320, 655464, 819330, 845760, 873952, 983196, 1092440, 1228995, 1268640, 1310928, 1638660, 1747904, 1966392, 2184880, 2457990, 2537280, 2621856, 3277320, 3932784, 4369760, 4915980, 5243712, 6554640, 7865568, 8739520, 9831960, 13109280, 15731136, 19663920, 26218560, 39327840, 78655680]

約数ペア:

[(1, 78655680), (2, 39327840), (3, 26218560), (4, 19663920), (5, 15731136), (6, 13109280), (8, 9831960), (9, 8739520), (10, 7865568), (12, 6554640), (15, 5243712), (16, 4915980), (18, 4369760), (20, 3932784), (24, 3277320), (30, 2621856), (31, 2537280), (32, 2457990), (36, 2184880), (40, 1966392), (45, 1747904), (48, 1638660), (60, 1310928), (62, 1268640), (64, 1228995), (72, 1092440), (80, 983196), (90, 873952), (93, 845760), (96, 819330), (120, 655464), (124, 634320), (144, 546220), (155, 507456), (160, 491598), (180, 436976), (186, 422880), (192, 409665), (240, 327732), (248, 317160), (279, 281920), (288, 273110), (310, 253728), (320, 245799), (360, 218488), (372, 211440), (465, 169152), (480, 163866), (496, 158580), (558, 140960), (576, 136555), (620, 126864), (720, 109244), (744, 105720), (881, 89280), (930, 84576), (960, 81933), (992, 79290), (1116, 70480), (1240, 63432), (1395, 56384), (1440, 54622), (1488, 52860), (1762, 44640), (1860, 42288), (1984, 39645), (2232, 35240), (2480, 31716), (2643, 29760), (2790, 28192), (2880, 27311), (2976, 26430), (3524, 22320), (3720, 21144), (4405, 17856), (4464, 17620), (4960, 15858), (5286, 14880), (5580, 14096), (5952, 13215), (7048, 11160), (7440, 10572), (7929, 9920), (8810, 8928)]