261048480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1009}}^1$

素因数の和:1052

約数の個数: 288

約数和(自身を含む): 1044550080

約数和(自身を除く): 783501600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 98, 105, 110, 112, 120, 132, 140, 147, 154, 160, 165, 168, 176, 196, 210, 220, 224, 231, 240, 245, 264, 280, 294, 308, 330, 336, 352, 385, 392, 420, 440, 462, 480, 490, 528, 539, 560, 588, 616, 660, 672, 735, 770, 784, 840, 880, 924, 980, 1009, 1056, 1078, 1120, 1155, 1176, 1232, 1320, 1470, 1540, 1568, 1617, 1680, 1760, 1848, 1960, 2018, 2156, 2310, 2352, 2464, 2640, 2695, 2940, 3027, 3080, 3234, 3360, 3696, 3920, 4036, 4312, 4620, 4704, 5045, 5280, 5390, 5880, 6054, 6160, 6468, 7063, 7392, 7840, 8072, 8085, 8624, 9240, 10090, 10780, 11099, 11760, 12108, 12320, 12936, 14126, 15135, 16144, 16170, 17248, 18480, 20180, 21189, 21560, 22198, 23520, 24216, 25872, 28252, 30270, 32288, 32340, 33297, 35315, 36960, 40360, 42378, 43120, 44396, 48432, 49441, 51744, 55495, 56504, 60540, 64680, 66594, 70630, 77693, 80720, 84756, 86240, 88792, 96864, 98882, 105945, 110990, 113008, 121080, 129360, 133188, 141260, 148323, 155386, 161440, 166485, 169512, 177584, 197764, 211890, 221980, 226016, 233079, 242160, 247205, 258720, 266376, 282520, 296646, 310772, 332970, 339024, 355168, 388465, 395528, 423780, 443960, 466158, 484320, 494410, 532752, 543851, 565040, 593292, 621544, 665940, 678048, 741615, 776930, 791056, 847560, 887920, 932316, 988820, 1065504, 1087702, 1130080, 1165395, 1186584, 1243088, 1331880, 1483230, 1553860, 1582112, 1631553, 1695120, 1775840, 1864632, 1977640, 2175404, 2330790, 2373168, 2486176, 2663760, 2719255, 2966460, 3107720, 3263106, 3390240, 3729264, 3955280, 4350808, 4661580, 4746336, 5327520, 5438510, 5932920, 6215440, 6526212, 7458528, 7910560, 8157765, 8701616, 9323160, 10877020, 11865840, 12430880, 13052424, 16315530, 17403232, 18646320, 21754040, 23731680, 26104848, 32631060, 37292640, 43508080, 52209696, 65262120, 87016160, 130524240, 261048480]

約数ペア:

[(1, 261048480), (2, 130524240), (3, 87016160), (4, 65262120), (5, 52209696), (6, 43508080), (7, 37292640), (8, 32631060), (10, 26104848), (11, 23731680), (12, 21754040), (14, 18646320), (15, 17403232), (16, 16315530), (20, 13052424), (21, 12430880), (22, 11865840), (24, 10877020), (28, 9323160), (30, 8701616), (32, 8157765), (33, 7910560), (35, 7458528), (40, 6526212), (42, 6215440), (44, 5932920), (48, 5438510), (49, 5327520), (55, 4746336), (56, 4661580), (60, 4350808), (66, 3955280), (70, 3729264), (77, 3390240), (80, 3263106), (84, 3107720), (88, 2966460), (96, 2719255), (98, 2663760), (105, 2486176), (110, 2373168), (112, 2330790), (120, 2175404), (132, 1977640), (140, 1864632), (147, 1775840), (154, 1695120), (160, 1631553), (165, 1582112), (168, 1553860), (176, 1483230), (196, 1331880), (210, 1243088), (220, 1186584), (224, 1165395), (231, 1130080), (240, 1087702), (245, 1065504), (264, 988820), (280, 932316), (294, 887920), (308, 847560), (330, 791056), (336, 776930), (352, 741615), (385, 678048), (392, 665940), (420, 621544), (440, 593292), (462, 565040), (480, 543851), (490, 532752), (528, 494410), (539, 484320), (560, 466158), (588, 443960), (616, 423780), (660, 395528), (672, 388465), (735, 355168), (770, 339024), (784, 332970), (840, 310772), (880, 296646), (924, 282520), (980, 266376), (1009, 258720), (1056, 247205), (1078, 242160), (1120, 233079), (1155, 226016), (1176, 221980), (1232, 211890), (1320, 197764), (1470, 177584), (1540, 169512), (1568, 166485), (1617, 161440), (1680, 155386), (1760, 148323), (1848, 141260), (1960, 133188), (2018, 129360), (2156, 121080), (2310, 113008), (2352, 110990), (2464, 105945), (2640, 98882), (2695, 96864), (2940, 88792), (3027, 86240), (3080, 84756), (3234, 80720), (3360, 77693), (3696, 70630), (3920, 66594), (4036, 64680), (4312, 60540), (4620, 56504), (4704, 55495), (5045, 51744), (5280, 49441), (5390, 48432), (5880, 44396), (6054, 43120), (6160, 42378), (6468, 40360), (7063, 36960), (7392, 35315), (7840, 33297), (8072, 32340), (8085, 32288), (8624, 30270), (9240, 28252), (10090, 25872), (10780, 24216), (11099, 23520), (11760, 22198), (12108, 21560), (12320, 21189), (12936, 20180), (14126, 18480), (15135, 17248), (16144, 16170)]