81412320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{907}}^1$

素因数の和:953

約数の個数: 192

約数和(自身を含む): 296545536

約数和(自身を除く): 215133216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 32, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 96, 102, 110, 120, 132, 136, 160, 165, 170, 176, 187, 204, 220, 240, 255, 264, 272, 330, 340, 352, 374, 408, 440, 480, 510, 528, 544, 561, 660, 680, 748, 816, 880, 907, 935, 1020, 1056, 1122, 1320, 1360, 1496, 1632, 1760, 1814, 1870, 2040, 2244, 2640, 2720, 2721, 2805, 2992, 3628, 3740, 4080, 4488, 4535, 5280, 5442, 5610, 5984, 7256, 7480, 8160, 8976, 9070, 9977, 10884, 11220, 13605, 14512, 14960, 15419, 17952, 18140, 19954, 21768, 22440, 27210, 29024, 29920, 29931, 30838, 36280, 39908, 43536, 44880, 46257, 49885, 54420, 59862, 61676, 72560, 77095, 79816, 87072, 89760, 92514, 99770, 108840, 119724, 123352, 145120, 149655, 154190, 159632, 169609, 185028, 199540, 217680, 231285, 239448, 246704, 299310, 308380, 319264, 339218, 370056, 399080, 435360, 462570, 478896, 493408, 508827, 598620, 616760, 678436, 740112, 798160, 848045, 925140, 957792, 1017654, 1197240, 1233520, 1356872, 1480224, 1596320, 1696090, 1850280, 2035308, 2394480, 2467040, 2544135, 2713744, 3392180, 3700560, 4070616, 4788960, 5088270, 5427488, 6784360, 7401120, 8141232, 10176540, 13568720, 16282464, 20353080, 27137440, 40706160, 81412320]

約数ペア:

[(1, 81412320), (2, 40706160), (3, 27137440), (4, 20353080), (5, 16282464), (6, 13568720), (8, 10176540), (10, 8141232), (11, 7401120), (12, 6784360), (15, 5427488), (16, 5088270), (17, 4788960), (20, 4070616), (22, 3700560), (24, 3392180), (30, 2713744), (32, 2544135), (33, 2467040), (34, 2394480), (40, 2035308), (44, 1850280), (48, 1696090), (51, 1596320), (55, 1480224), (60, 1356872), (66, 1233520), (68, 1197240), (80, 1017654), (85, 957792), (88, 925140), (96, 848045), (102, 798160), (110, 740112), (120, 678436), (132, 616760), (136, 598620), (160, 508827), (165, 493408), (170, 478896), (176, 462570), (187, 435360), (204, 399080), (220, 370056), (240, 339218), (255, 319264), (264, 308380), (272, 299310), (330, 246704), (340, 239448), (352, 231285), (374, 217680), (408, 199540), (440, 185028), (480, 169609), (510, 159632), (528, 154190), (544, 149655), (561, 145120), (660, 123352), (680, 119724), (748, 108840), (816, 99770), (880, 92514), (907, 89760), (935, 87072), (1020, 79816), (1056, 77095), (1122, 72560), (1320, 61676), (1360, 59862), (1496, 54420), (1632, 49885), (1760, 46257), (1814, 44880), (1870, 43536), (2040, 39908), (2244, 36280), (2640, 30838), (2720, 29931), (2721, 29920), (2805, 29024), (2992, 27210), (3628, 22440), (3740, 21768), (4080, 19954), (4488, 18140), (4535, 17952), (5280, 15419), (5442, 14960), (5610, 14512), (5984, 13605), (7256, 11220), (7480, 10884), (8160, 9977), (8976, 9070)]