131331840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1$

素因数の和:1534

約数の個数: 144

約数和(自身を含む): 437971968

約数和(自身を除く): 306640128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 768, 920, 960, 1104, 1280, 1380, 1472, 1487, 1840, 1920, 2208, 2760, 2944, 2974, 3680, 3840, 4416, 4461, 5520, 5888, 5948, 7360, 7435, 8832, 8922, 11040, 11896, 14720, 14870, 17664, 17844, 22080, 22305, 23792, 29440, 29740, 34201, 35688, 44160, 44610, 47584, 59480, 68402, 71376, 88320, 89220, 95168, 102603, 118960, 136804, 142752, 171005, 178440, 190336, 205206, 237920, 273608, 285504, 342010, 356880, 380672, 410412, 475840, 513015, 547216, 571008, 684020, 713760, 820824, 951680, 1026030, 1094432, 1142016, 1368040, 1427520, 1641648, 1903360, 2052060, 2188864, 2736080, 2855040, 3283296, 4104120, 4377728, 5472160, 5710080, 6566592, 8208240, 8755456, 10944320, 13133184, 16416480, 21888640, 26266368, 32832960, 43777280, 65665920, 131331840]

約数ペア:

[(1, 131331840), (2, 65665920), (3, 43777280), (4, 32832960), (5, 26266368), (6, 21888640), (8, 16416480), (10, 13133184), (12, 10944320), (15, 8755456), (16, 8208240), (20, 6566592), (23, 5710080), (24, 5472160), (30, 4377728), (32, 4104120), (40, 3283296), (46, 2855040), (48, 2736080), (60, 2188864), (64, 2052060), (69, 1903360), (80, 1641648), (92, 1427520), (96, 1368040), (115, 1142016), (120, 1094432), (128, 1026030), (138, 951680), (160, 820824), (184, 713760), (192, 684020), (230, 571008), (240, 547216), (256, 513015), (276, 475840), (320, 410412), (345, 380672), (368, 356880), (384, 342010), (460, 285504), (480, 273608), (552, 237920), (640, 205206), (690, 190336), (736, 178440), (768, 171005), (920, 142752), (960, 136804), (1104, 118960), (1280, 102603), (1380, 95168), (1472, 89220), (1487, 88320), (1840, 71376), (1920, 68402), (2208, 59480), (2760, 47584), (2944, 44610), (2974, 44160), (3680, 35688), (3840, 34201), (4416, 29740), (4461, 29440), (5520, 23792), (5888, 22305), (5948, 22080), (7360, 17844), (7435, 17664), (8832, 14870), (8922, 14720), (11040, 11896)]