78929880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:693

約数の個数: 128

約数和(自身を含む): 251985600

約数和(自身を除く): 173055720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 37, 40, 58, 60, 74, 87, 111, 116, 120, 145, 148, 174, 185, 222, 232, 290, 296, 348, 370, 435, 444, 555, 580, 613, 696, 740, 870, 888, 1073, 1110, 1160, 1226, 1480, 1740, 1839, 2146, 2220, 2452, 3065, 3219, 3480, 3678, 4292, 4440, 4904, 5365, 6130, 6438, 7356, 8584, 9195, 10730, 12260, 12876, 14712, 16095, 17777, 18390, 21460, 22681, 24520, 25752, 32190, 35554, 36780, 42920, 45362, 53331, 64380, 68043, 71108, 73560, 88885, 90724, 106662, 113405, 128760, 136086, 142216, 177770, 181448, 213324, 226810, 266655, 272172, 340215, 355540, 426648, 453620, 533310, 544344, 657749, 680430, 711080, 907240, 1066620, 1315498, 1360860, 1973247, 2133240, 2630996, 2721720, 3288745, 3946494, 5261992, 6577490, 7892988, 9866235, 13154980, 15785976, 19732470, 26309960, 39464940, 78929880]

約数ペア:

[(1, 78929880), (2, 39464940), (3, 26309960), (4, 19732470), (5, 15785976), (6, 13154980), (8, 9866235), (10, 7892988), (12, 6577490), (15, 5261992), (20, 3946494), (24, 3288745), (29, 2721720), (30, 2630996), (37, 2133240), (40, 1973247), (58, 1360860), (60, 1315498), (74, 1066620), (87, 907240), (111, 711080), (116, 680430), (120, 657749), (145, 544344), (148, 533310), (174, 453620), (185, 426648), (222, 355540), (232, 340215), (290, 272172), (296, 266655), (348, 226810), (370, 213324), (435, 181448), (444, 177770), (555, 142216), (580, 136086), (613, 128760), (696, 113405), (740, 106662), (870, 90724), (888, 88885), (1073, 73560), (1110, 71108), (1160, 68043), (1226, 64380), (1480, 53331), (1740, 45362), (1839, 42920), (2146, 36780), (2220, 35554), (2452, 32190), (3065, 25752), (3219, 24520), (3480, 22681), (3678, 21460), (4292, 18390), (4440, 17777), (4904, 16095), (5365, 14712), (6130, 12876), (6438, 12260), (7356, 10730), (8584, 9195)]