79172640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 240

約数和(自身を含む): 288149400

約数和(自身を除く): 208976760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 41, 45, 48, 54, 60, 72, 80, 81, 82, 90, 96, 108, 120, 123, 135, 144, 149, 160, 162, 164, 180, 205, 216, 240, 246, 270, 288, 298, 324, 328, 360, 369, 405, 410, 432, 447, 480, 492, 540, 596, 615, 648, 656, 720, 738, 745, 810, 820, 864, 894, 984, 1080, 1107, 1192, 1230, 1296, 1312, 1341, 1440, 1476, 1490, 1620, 1640, 1788, 1845, 1968, 2160, 2214, 2235, 2384, 2460, 2592, 2682, 2952, 2980, 3240, 3280, 3321, 3576, 3690, 3936, 4023, 4320, 4428, 4470, 4768, 4920, 5364, 5535, 5904, 5960, 6109, 6480, 6560, 6642, 6705, 7152, 7380, 8046, 8856, 8940, 9840, 10728, 11070, 11808, 11920, 12069, 12218, 12960, 13284, 13410, 14304, 14760, 16092, 16605, 17712, 17880, 18327, 19680, 20115, 21456, 22140, 23840, 24138, 24436, 26568, 26820, 29520, 30545, 32184, 33210, 35424, 35760, 36654, 40230, 42912, 44280, 48276, 48872, 53136, 53640, 54981, 59040, 60345, 61090, 64368, 66420, 71520, 73308, 80460, 88560, 91635, 96552, 97744, 106272, 107280, 109962, 120690, 122180, 128736, 132840, 146616, 160920, 164943, 177120, 183270, 193104, 195488, 214560, 219924, 241380, 244360, 265680, 274905, 293232, 321840, 329886, 366540, 386208, 439848, 482760, 488720, 494829, 531360, 549810, 586464, 643680, 659772, 733080, 824715, 879696, 965520, 977440, 989658, 1099620, 1319544, 1466160, 1649430, 1759392, 1931040, 1979316, 2199240, 2474145, 2639088, 2932320, 3298860, 3958632, 4398480, 4948290, 5278176, 6597720, 7917264, 8796960, 9896580, 13195440, 15834528, 19793160, 26390880, 39586320, 79172640]

約数ペア:

[(1, 79172640), (2, 39586320), (3, 26390880), (4, 19793160), (5, 15834528), (6, 13195440), (8, 9896580), (9, 8796960), (10, 7917264), (12, 6597720), (15, 5278176), (16, 4948290), (18, 4398480), (20, 3958632), (24, 3298860), (27, 2932320), (30, 2639088), (32, 2474145), (36, 2199240), (40, 1979316), (41, 1931040), (45, 1759392), (48, 1649430), (54, 1466160), (60, 1319544), (72, 1099620), (80, 989658), (81, 977440), (82, 965520), (90, 879696), (96, 824715), (108, 733080), (120, 659772), (123, 643680), (135, 586464), (144, 549810), (149, 531360), (160, 494829), (162, 488720), (164, 482760), (180, 439848), (205, 386208), (216, 366540), (240, 329886), (246, 321840), (270, 293232), (288, 274905), (298, 265680), (324, 244360), (328, 241380), (360, 219924), (369, 214560), (405, 195488), (410, 193104), (432, 183270), (447, 177120), (480, 164943), (492, 160920), (540, 146616), (596, 132840), (615, 128736), (648, 122180), (656, 120690), (720, 109962), (738, 107280), (745, 106272), (810, 97744), (820, 96552), (864, 91635), (894, 88560), (984, 80460), (1080, 73308), (1107, 71520), (1192, 66420), (1230, 64368), (1296, 61090), (1312, 60345), (1341, 59040), (1440, 54981), (1476, 53640), (1490, 53136), (1620, 48872), (1640, 48276), (1788, 44280), (1845, 42912), (1968, 40230), (2160, 36654), (2214, 35760), (2235, 35424), (2384, 33210), (2460, 32184), (2592, 30545), (2682, 29520), (2952, 26820), (2980, 26568), (3240, 24436), (3280, 24138), (3321, 23840), (3576, 22140), (3690, 21456), (3936, 20115), (4023, 19680), (4320, 18327), (4428, 17880), (4470, 17712), (4768, 16605), (4920, 16092), (5364, 14760), (5535, 14304), (5904, 13410), (5960, 13284), (6109, 12960), (6480, 12218), (6560, 12069), (6642, 11920), (6705, 11808), (7152, 11070), (7380, 10728), (8046, 9840), (8856, 8940)]