81524880

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{547}}^1$

素因数の和:595

約数の個数: 200

約数和(自身を含む): 295998912

約数和(自身を除く): 214474032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 81, 90, 92, 108, 115, 120, 135, 138, 144, 162, 180, 184, 207, 216, 230, 240, 270, 276, 324, 345, 360, 368, 405, 414, 432, 460, 540, 547, 552, 621, 648, 690, 720, 810, 828, 920, 1035, 1080, 1094, 1104, 1242, 1296, 1380, 1620, 1641, 1656, 1840, 1863, 2070, 2160, 2188, 2484, 2735, 2760, 3105, 3240, 3282, 3312, 3726, 4140, 4376, 4923, 4968, 5470, 5520, 6210, 6480, 6564, 7452, 8205, 8280, 8752, 9315, 9846, 9936, 10940, 12420, 12581, 13128, 14769, 14904, 16410, 16560, 18630, 19692, 21880, 24615, 24840, 25162, 26256, 29538, 29808, 32820, 37260, 37743, 39384, 43760, 44307, 49230, 49680, 50324, 59076, 62905, 65640, 73845, 74520, 75486, 78768, 88614, 98460, 100648, 113229, 118152, 125810, 131280, 147690, 149040, 150972, 177228, 188715, 196920, 201296, 221535, 226458, 236304, 251620, 295380, 301944, 339687, 354456, 377430, 393840, 443070, 452916, 503240, 566145, 590760, 603888, 679374, 708912, 754860, 886140, 905832, 1006480, 1019061, 1132290, 1181520, 1358748, 1509720, 1698435, 1772280, 1811664, 2038122, 2264580, 2717496, 3019440, 3396870, 3544560, 4076244, 4529160, 5095305, 5434992, 6793740, 8152488, 9058320, 10190610, 13587480, 16304976, 20381220, 27174960, 40762440, 81524880]

約数ペア:

[(1, 81524880), (2, 40762440), (3, 27174960), (4, 20381220), (5, 16304976), (6, 13587480), (8, 10190610), (9, 9058320), (10, 8152488), (12, 6793740), (15, 5434992), (16, 5095305), (18, 4529160), (20, 4076244), (23, 3544560), (24, 3396870), (27, 3019440), (30, 2717496), (36, 2264580), (40, 2038122), (45, 1811664), (46, 1772280), (48, 1698435), (54, 1509720), (60, 1358748), (69, 1181520), (72, 1132290), (80, 1019061), (81, 1006480), (90, 905832), (92, 886140), (108, 754860), (115, 708912), (120, 679374), (135, 603888), (138, 590760), (144, 566145), (162, 503240), (180, 452916), (184, 443070), (207, 393840), (216, 377430), (230, 354456), (240, 339687), (270, 301944), (276, 295380), (324, 251620), (345, 236304), (360, 226458), (368, 221535), (405, 201296), (414, 196920), (432, 188715), (460, 177228), (540, 150972), (547, 149040), (552, 147690), (621, 131280), (648, 125810), (690, 118152), (720, 113229), (810, 100648), (828, 98460), (920, 88614), (1035, 78768), (1080, 75486), (1094, 74520), (1104, 73845), (1242, 65640), (1296, 62905), (1380, 59076), (1620, 50324), (1641, 49680), (1656, 49230), (1840, 44307), (1863, 43760), (2070, 39384), (2160, 37743), (2188, 37260), (2484, 32820), (2735, 29808), (2760, 29538), (3105, 26256), (3240, 25162), (3282, 24840), (3312, 24615), (3726, 21880), (4140, 19692), (4376, 18630), (4923, 16560), (4968, 16410), (5470, 14904), (5520, 14769), (6210, 13128), (6480, 12581), (6564, 12420), (7452, 10940), (8205, 9936), (8280, 9846), (8752, 9315)]