81289440

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:662

約数の個数: 192

約数和(自身を含む): 294174720

約数和(自身を除く): 212885280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 180, 186, 216, 240, 248, 270, 279, 288, 310, 360, 372, 432, 465, 480, 496, 540, 558, 607, 620, 720, 744, 837, 864, 930, 992, 1080, 1116, 1214, 1240, 1395, 1440, 1488, 1674, 1821, 1860, 2160, 2232, 2428, 2480, 2790, 2976, 3035, 3348, 3642, 3720, 4185, 4320, 4464, 4856, 4960, 5463, 5580, 6070, 6696, 7284, 7440, 8370, 8928, 9105, 9712, 10926, 11160, 12140, 13392, 14568, 14880, 16389, 16740, 18210, 18817, 19424, 21852, 22320, 24280, 26784, 27315, 29136, 32778, 33480, 36420, 37634, 43704, 44640, 48560, 54630, 56451, 58272, 65556, 66960, 72840, 75268, 81945, 87408, 94085, 97120, 109260, 112902, 131112, 133920, 145680, 150536, 163890, 169353, 174816, 188170, 218520, 225804, 262224, 282255, 291360, 301072, 327780, 338706, 376340, 437040, 451608, 508059, 524448, 564510, 602144, 655560, 677412, 752680, 846765, 874080, 903216, 1016118, 1129020, 1311120, 1354824, 1505360, 1693530, 1806432, 2032236, 2258040, 2540295, 2622240, 2709648, 3010720, 3387060, 4064472, 4516080, 5080590, 5419296, 6774120, 8128944, 9032160, 10161180, 13548240, 16257888, 20322360, 27096480, 40644720, 81289440]

約数ペア:

[(1, 81289440), (2, 40644720), (3, 27096480), (4, 20322360), (5, 16257888), (6, 13548240), (8, 10161180), (9, 9032160), (10, 8128944), (12, 6774120), (15, 5419296), (16, 5080590), (18, 4516080), (20, 4064472), (24, 3387060), (27, 3010720), (30, 2709648), (31, 2622240), (32, 2540295), (36, 2258040), (40, 2032236), (45, 1806432), (48, 1693530), (54, 1505360), (60, 1354824), (62, 1311120), (72, 1129020), (80, 1016118), (90, 903216), (93, 874080), (96, 846765), (108, 752680), (120, 677412), (124, 655560), (135, 602144), (144, 564510), (155, 524448), (160, 508059), (180, 451608), (186, 437040), (216, 376340), (240, 338706), (248, 327780), (270, 301072), (279, 291360), (288, 282255), (310, 262224), (360, 225804), (372, 218520), (432, 188170), (465, 174816), (480, 169353), (496, 163890), (540, 150536), (558, 145680), (607, 133920), (620, 131112), (720, 112902), (744, 109260), (837, 97120), (864, 94085), (930, 87408), (992, 81945), (1080, 75268), (1116, 72840), (1214, 66960), (1240, 65556), (1395, 58272), (1440, 56451), (1488, 54630), (1674, 48560), (1821, 44640), (1860, 43704), (2160, 37634), (2232, 36420), (2428, 33480), (2480, 32778), (2790, 29136), (2976, 27315), (3035, 26784), (3348, 24280), (3642, 22320), (3720, 21852), (4185, 19424), (4320, 18817), (4464, 18210), (4856, 16740), (4960, 16389), (5463, 14880), (5580, 14568), (6070, 13392), (6696, 12140), (7284, 11160), (7440, 10926), (8370, 9712), (8928, 9105)]