81091440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 180

約数和(自身を含む): 283302552

約数和(自身を除く): 202211112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 67, 72, 80, 82, 90, 120, 123, 134, 144, 164, 180, 201, 205, 240, 246, 268, 328, 335, 360, 369, 402, 410, 492, 536, 603, 615, 656, 670, 720, 738, 804, 820, 984, 1005, 1072, 1206, 1230, 1340, 1476, 1608, 1640, 1681, 1845, 1968, 2010, 2412, 2460, 2680, 2747, 2952, 3015, 3216, 3280, 3362, 3690, 4020, 4824, 4920, 5043, 5360, 5494, 5904, 6030, 6724, 7380, 8040, 8241, 8405, 9648, 9840, 10086, 10988, 12060, 13448, 13735, 14760, 15129, 16080, 16482, 16810, 20172, 21976, 24120, 24723, 25215, 26896, 27470, 29520, 30258, 32964, 33620, 40344, 41205, 43952, 48240, 49446, 50430, 54940, 60516, 65928, 67240, 75645, 80688, 82410, 98892, 100860, 109880, 112627, 121032, 123615, 131856, 134480, 151290, 164820, 197784, 201720, 219760, 225254, 242064, 247230, 302580, 329640, 337881, 395568, 403440, 450508, 494460, 563135, 605160, 659280, 675762, 901016, 988920, 1013643, 1126270, 1210320, 1351524, 1689405, 1802032, 1977840, 2027286, 2252540, 2703048, 3378810, 4054572, 4505080, 5068215, 5406096, 6757620, 8109144, 9010160, 10136430, 13515240, 16218288, 20272860, 27030480, 40545720, 81091440]

約数ペア:

[(1, 81091440), (2, 40545720), (3, 27030480), (4, 20272860), (5, 16218288), (6, 13515240), (8, 10136430), (9, 9010160), (10, 8109144), (12, 6757620), (15, 5406096), (16, 5068215), (18, 4505080), (20, 4054572), (24, 3378810), (30, 2703048), (36, 2252540), (40, 2027286), (41, 1977840), (45, 1802032), (48, 1689405), (60, 1351524), (67, 1210320), (72, 1126270), (80, 1013643), (82, 988920), (90, 901016), (120, 675762), (123, 659280), (134, 605160), (144, 563135), (164, 494460), (180, 450508), (201, 403440), (205, 395568), (240, 337881), (246, 329640), (268, 302580), (328, 247230), (335, 242064), (360, 225254), (369, 219760), (402, 201720), (410, 197784), (492, 164820), (536, 151290), (603, 134480), (615, 131856), (656, 123615), (670, 121032), (720, 112627), (738, 109880), (804, 100860), (820, 98892), (984, 82410), (1005, 80688), (1072, 75645), (1206, 67240), (1230, 65928), (1340, 60516), (1476, 54940), (1608, 50430), (1640, 49446), (1681, 48240), (1845, 43952), (1968, 41205), (2010, 40344), (2412, 33620), (2460, 32964), (2680, 30258), (2747, 29520), (2952, 27470), (3015, 26896), (3216, 25215), (3280, 24723), (3362, 24120), (3690, 21976), (4020, 20172), (4824, 16810), (4920, 16482), (5043, 16080), (5360, 15129), (5494, 14760), (5904, 13735), (6030, 13448), (6724, 12060), (7380, 10988), (8040, 10086), (8241, 9840), (8405, 9648)]