68607840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{2917}}^1$

素因数の和:2949

約数の個数: 144

約数和(自身を含む): 251484912

約数和(自身を除く): 182877072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2917, 2940, 3360, 3920, 4704, 5834, 5880, 7840, 8751, 11668, 11760, 14585, 17502, 20419, 23336, 23520, 29170, 35004, 40838, 43755, 46672, 58340, 61257, 70008, 81676, 87510, 93344, 102095, 116680, 122514, 140016, 142933, 163352, 175020, 204190, 233360, 245028, 280032, 285866, 306285, 326704, 350040, 408380, 428799, 466720, 490056, 571732, 612570, 653408, 700080, 714665, 816760, 857598, 980112, 1143464, 1225140, 1400160, 1429330, 1633520, 1715196, 1960224, 2143995, 2286928, 2450280, 2858660, 3267040, 3430392, 4287990, 4573856, 4900560, 5717320, 6860784, 8575980, 9801120, 11434640, 13721568, 17151960, 22869280, 34303920, 68607840]

約数ペア:

[(1, 68607840), (2, 34303920), (3, 22869280), (4, 17151960), (5, 13721568), (6, 11434640), (7, 9801120), (8, 8575980), (10, 6860784), (12, 5717320), (14, 4900560), (15, 4573856), (16, 4287990), (20, 3430392), (21, 3267040), (24, 2858660), (28, 2450280), (30, 2286928), (32, 2143995), (35, 1960224), (40, 1715196), (42, 1633520), (48, 1429330), (49, 1400160), (56, 1225140), (60, 1143464), (70, 980112), (80, 857598), (84, 816760), (96, 714665), (98, 700080), (105, 653408), (112, 612570), (120, 571732), (140, 490056), (147, 466720), (160, 428799), (168, 408380), (196, 350040), (210, 326704), (224, 306285), (240, 285866), (245, 280032), (280, 245028), (294, 233360), (336, 204190), (392, 175020), (420, 163352), (480, 142933), (490, 140016), (560, 122514), (588, 116680), (672, 102095), (735, 93344), (784, 87510), (840, 81676), (980, 70008), (1120, 61257), (1176, 58340), (1470, 46672), (1568, 43755), (1680, 40838), (1960, 35004), (2352, 29170), (2917, 23520), (2940, 23336), (3360, 20419), (3920, 17502), (4704, 14585), (5834, 11760), (5880, 11668), (7840, 8751)]