81493920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3329}}^1$

素因数の和:3367

約数の個数: 144

約数和(自身を含む): 294545160

約数和(自身を除く): 213051240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 3060, 3329, 4080, 4896, 6120, 6658, 8160, 9987, 12240, 13316, 16645, 19974, 24480, 26632, 29961, 33290, 39948, 49935, 53264, 56593, 59922, 66580, 79896, 99870, 106528, 113186, 119844, 133160, 149805, 159792, 169779, 199740, 226372, 239688, 266320, 282965, 299610, 319584, 339558, 399480, 452744, 479376, 509337, 532640, 565930, 599220, 679116, 798960, 848895, 905488, 958752, 1018674, 1131860, 1198440, 1358232, 1597920, 1697790, 1810976, 2037348, 2263720, 2396880, 2546685, 2716464, 3395580, 4074696, 4527440, 4793760, 5093370, 5432928, 6791160, 8149392, 9054880, 10186740, 13582320, 16298784, 20373480, 27164640, 40746960, 81493920]

約数ペア:

[(1, 81493920), (2, 40746960), (3, 27164640), (4, 20373480), (5, 16298784), (6, 13582320), (8, 10186740), (9, 9054880), (10, 8149392), (12, 6791160), (15, 5432928), (16, 5093370), (17, 4793760), (18, 4527440), (20, 4074696), (24, 3395580), (30, 2716464), (32, 2546685), (34, 2396880), (36, 2263720), (40, 2037348), (45, 1810976), (48, 1697790), (51, 1597920), (60, 1358232), (68, 1198440), (72, 1131860), (80, 1018674), (85, 958752), (90, 905488), (96, 848895), (102, 798960), (120, 679116), (136, 599220), (144, 565930), (153, 532640), (160, 509337), (170, 479376), (180, 452744), (204, 399480), (240, 339558), (255, 319584), (272, 299610), (288, 282965), (306, 266320), (340, 239688), (360, 226372), (408, 199740), (480, 169779), (510, 159792), (544, 149805), (612, 133160), (680, 119844), (720, 113186), (765, 106528), (816, 99870), (1020, 79896), (1224, 66580), (1360, 59922), (1440, 56593), (1530, 53264), (1632, 49935), (2040, 39948), (2448, 33290), (2720, 29961), (3060, 26632), (3329, 24480), (4080, 19974), (4896, 16645), (6120, 13316), (6658, 12240), (8160, 9987)]