221871960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:148

約数の個数: 240

約数和(自身を含む): 786519360

約数和(自身を除く): 564647400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 47, 54, 60, 62, 72, 81, 90, 93, 94, 108, 120, 124, 135, 141, 155, 162, 180, 186, 188, 216, 235, 248, 270, 279, 282, 310, 324, 360, 372, 376, 405, 423, 465, 470, 540, 558, 564, 620, 648, 705, 744, 810, 837, 846, 930, 940, 1080, 1116, 1128, 1240, 1269, 1395, 1410, 1457, 1620, 1674, 1692, 1860, 1880, 2115, 2209, 2232, 2511, 2538, 2790, 2820, 2914, 3240, 3348, 3384, 3720, 3807, 4185, 4230, 4371, 4418, 5022, 5076, 5580, 5640, 5828, 6345, 6627, 6696, 7285, 7614, 8370, 8460, 8742, 8836, 10044, 10152, 11045, 11160, 11656, 12555, 12690, 13113, 13254, 14570, 15228, 16740, 16920, 17484, 17672, 19035, 19881, 20088, 21855, 22090, 25110, 25380, 26226, 26508, 29140, 30456, 33135, 33480, 34968, 38070, 39339, 39762, 43710, 44180, 50220, 50760, 52452, 53016, 58280, 59643, 65565, 66270, 68479, 76140, 78678, 79524, 87420, 88360, 99405, 100440, 104904, 118017, 119286, 131130, 132540, 136958, 152280, 157356, 159048, 174840, 178929, 196695, 198810, 205437, 236034, 238572, 262260, 265080, 273916, 298215, 314712, 342395, 357858, 393390, 397620, 410874, 472068, 477144, 524520, 547832, 590085, 596430, 616311, 684790, 715716, 786780, 795240, 821748, 894645, 944136, 1027185, 1180170, 1192860, 1232622, 1369580, 1431432, 1573560, 1643496, 1789290, 1848933, 2054370, 2360340, 2385720, 2465244, 2739160, 3081555, 3578580, 3697866, 4108740, 4720680, 4930488, 5546799, 6163110, 7157160, 7395732, 8217480, 9244665, 11093598, 12326220, 14791464, 18489330, 22187196, 24652440, 27733995, 36978660, 44374392, 55467990, 73957320, 110935980, 221871960]

約数ペア:

[(1, 221871960), (2, 110935980), (3, 73957320), (4, 55467990), (5, 44374392), (6, 36978660), (8, 27733995), (9, 24652440), (10, 22187196), (12, 18489330), (15, 14791464), (18, 12326220), (20, 11093598), (24, 9244665), (27, 8217480), (30, 7395732), (31, 7157160), (36, 6163110), (40, 5546799), (45, 4930488), (47, 4720680), (54, 4108740), (60, 3697866), (62, 3578580), (72, 3081555), (81, 2739160), (90, 2465244), (93, 2385720), (94, 2360340), (108, 2054370), (120, 1848933), (124, 1789290), (135, 1643496), (141, 1573560), (155, 1431432), (162, 1369580), (180, 1232622), (186, 1192860), (188, 1180170), (216, 1027185), (235, 944136), (248, 894645), (270, 821748), (279, 795240), (282, 786780), (310, 715716), (324, 684790), (360, 616311), (372, 596430), (376, 590085), (405, 547832), (423, 524520), (465, 477144), (470, 472068), (540, 410874), (558, 397620), (564, 393390), (620, 357858), (648, 342395), (705, 314712), (744, 298215), (810, 273916), (837, 265080), (846, 262260), (930, 238572), (940, 236034), (1080, 205437), (1116, 198810), (1128, 196695), (1240, 178929), (1269, 174840), (1395, 159048), (1410, 157356), (1457, 152280), (1620, 136958), (1674, 132540), (1692, 131130), (1860, 119286), (1880, 118017), (2115, 104904), (2209, 100440), (2232, 99405), (2511, 88360), (2538, 87420), (2790, 79524), (2820, 78678), (2914, 76140), (3240, 68479), (3348, 66270), (3384, 65565), (3720, 59643), (3807, 58280), (4185, 53016), (4230, 52452), (4371, 50760), (4418, 50220), (5022, 44180), (5076, 43710), (5580, 39762), (5640, 39339), (5828, 38070), (6345, 34968), (6627, 33480), (6696, 33135), (7285, 30456), (7614, 29140), (8370, 26508), (8460, 26226), (8742, 25380), (8836, 25110), (10044, 22090), (10152, 21855), (11045, 20088), (11160, 19881), (11656, 19035), (12555, 17672), (12690, 17484), (13113, 16920), (13254, 16740), (14570, 15228)]