81485760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4993}}^1$

素因数の和:5030

約数の個数: 112

約数和(自身を含む): 273990816

約数和(自身を除く): 192505056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1360, 1632, 2040, 2720, 3264, 4080, 4993, 5440, 8160, 9986, 14979, 16320, 19972, 24965, 29958, 39944, 49930, 59916, 74895, 79888, 84881, 99860, 119832, 149790, 159776, 169762, 199720, 239664, 254643, 299580, 319552, 339524, 399440, 424405, 479328, 509286, 599160, 679048, 798880, 848810, 958656, 1018572, 1198320, 1273215, 1358096, 1597760, 1697620, 2037144, 2396640, 2546430, 2716192, 3395240, 4074288, 4793280, 5092860, 5432384, 6790480, 8148576, 10185720, 13580960, 16297152, 20371440, 27161920, 40742880, 81485760]

約数ペア:

[(1, 81485760), (2, 40742880), (3, 27161920), (4, 20371440), (5, 16297152), (6, 13580960), (8, 10185720), (10, 8148576), (12, 6790480), (15, 5432384), (16, 5092860), (17, 4793280), (20, 4074288), (24, 3395240), (30, 2716192), (32, 2546430), (34, 2396640), (40, 2037144), (48, 1697620), (51, 1597760), (60, 1358096), (64, 1273215), (68, 1198320), (80, 1018572), (85, 958656), (96, 848810), (102, 798880), (120, 679048), (136, 599160), (160, 509286), (170, 479328), (192, 424405), (204, 399440), (240, 339524), (255, 319552), (272, 299580), (320, 254643), (340, 239664), (408, 199720), (480, 169762), (510, 159776), (544, 149790), (680, 119832), (816, 99860), (960, 84881), (1020, 79888), (1088, 74895), (1360, 59916), (1632, 49930), (2040, 39944), (2720, 29958), (3264, 24965), (4080, 19972), (4993, 16320), (5440, 14979), (8160, 9986)]