217040880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 320

約数和(自身を含む): 827947008

約数和(自身を除く): 610906128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 41, 42, 46, 48, 56, 60, 69, 70, 80, 82, 84, 92, 105, 112, 115, 120, 123, 137, 138, 140, 161, 164, 168, 184, 205, 210, 230, 240, 246, 274, 276, 280, 287, 322, 328, 336, 345, 368, 410, 411, 420, 460, 483, 492, 548, 552, 560, 574, 615, 644, 656, 685, 690, 805, 820, 822, 840, 861, 920, 943, 959, 966, 984, 1096, 1104, 1148, 1230, 1288, 1370, 1380, 1435, 1610, 1640, 1644, 1680, 1722, 1840, 1886, 1918, 1932, 1968, 2055, 2192, 2296, 2415, 2460, 2576, 2740, 2760, 2829, 2870, 2877, 3151, 3220, 3280, 3288, 3444, 3772, 3836, 3864, 4110, 4305, 4592, 4715, 4795, 4830, 4920, 5480, 5520, 5617, 5658, 5740, 5754, 6302, 6440, 6576, 6601, 6888, 7544, 7672, 7728, 8220, 8610, 9430, 9453, 9590, 9660, 9840, 10960, 11234, 11316, 11480, 11508, 12604, 12880, 13202, 13776, 14145, 14385, 15088, 15344, 15755, 16440, 16851, 17220, 18860, 18906, 19180, 19320, 19803, 22057, 22468, 22632, 22960, 23016, 25208, 26404, 28085, 28290, 28770, 31510, 32880, 33005, 33702, 34440, 37720, 37812, 38360, 38640, 39319, 39606, 44114, 44936, 45264, 46032, 47265, 50416, 52808, 56170, 56580, 57540, 63020, 66010, 66171, 67404, 68880, 75440, 75624, 76720, 78638, 79212, 84255, 88228, 89872, 94530, 99015, 105616, 110285, 112340, 113160, 115080, 117957, 126040, 129191, 132020, 132342, 134808, 151248, 157276, 158424, 168510, 176456, 189060, 196595, 198030, 220570, 224680, 226320, 230160, 235914, 252080, 258382, 264040, 264684, 269616, 314552, 316848, 330855, 337020, 352912, 378120, 387573, 393190, 396060, 441140, 449360, 471828, 516764, 528080, 529368, 589785, 629104, 645955, 661710, 674040, 756240, 775146, 786380, 792120, 882280, 904337, 943656, 1033528, 1058736, 1179570, 1291910, 1323420, 1348080, 1550292, 1572760, 1584240, 1764560, 1808674, 1887312, 1937865, 2067056, 2359140, 2583820, 2646840, 2713011, 3100584, 3145520, 3617348, 3875730, 4521685, 4718280, 5167640, 5293680, 5426022, 6201168, 7234696, 7751460, 9043370, 9436560, 10335280, 10852044, 13565055, 14469392, 15502920, 18086740, 21704088, 27130110, 31005840, 36173480, 43408176, 54260220, 72346960, 108520440, 217040880]

約数ペア:

[(1, 217040880), (2, 108520440), (3, 72346960), (4, 54260220), (5, 43408176), (6, 36173480), (7, 31005840), (8, 27130110), (10, 21704088), (12, 18086740), (14, 15502920), (15, 14469392), (16, 13565055), (20, 10852044), (21, 10335280), (23, 9436560), (24, 9043370), (28, 7751460), (30, 7234696), (35, 6201168), (40, 5426022), (41, 5293680), (42, 5167640), (46, 4718280), (48, 4521685), (56, 3875730), (60, 3617348), (69, 3145520), (70, 3100584), (80, 2713011), (82, 2646840), (84, 2583820), (92, 2359140), (105, 2067056), (112, 1937865), (115, 1887312), (120, 1808674), (123, 1764560), (137, 1584240), (138, 1572760), (140, 1550292), (161, 1348080), (164, 1323420), (168, 1291910), (184, 1179570), (205, 1058736), (210, 1033528), (230, 943656), (240, 904337), (246, 882280), (274, 792120), (276, 786380), (280, 775146), (287, 756240), (322, 674040), (328, 661710), (336, 645955), (345, 629104), (368, 589785), (410, 529368), (411, 528080), (420, 516764), (460, 471828), (483, 449360), (492, 441140), (548, 396060), (552, 393190), (560, 387573), (574, 378120), (615, 352912), (644, 337020), (656, 330855), (685, 316848), (690, 314552), (805, 269616), (820, 264684), (822, 264040), (840, 258382), (861, 252080), (920, 235914), (943, 230160), (959, 226320), (966, 224680), (984, 220570), (1096, 198030), (1104, 196595), (1148, 189060), (1230, 176456), (1288, 168510), (1370, 158424), (1380, 157276), (1435, 151248), (1610, 134808), (1640, 132342), (1644, 132020), (1680, 129191), (1722, 126040), (1840, 117957), (1886, 115080), (1918, 113160), (1932, 112340), (1968, 110285), (2055, 105616), (2192, 99015), (2296, 94530), (2415, 89872), (2460, 88228), (2576, 84255), (2740, 79212), (2760, 78638), (2829, 76720), (2870, 75624), (2877, 75440), (3151, 68880), (3220, 67404), (3280, 66171), (3288, 66010), (3444, 63020), (3772, 57540), (3836, 56580), (3864, 56170), (4110, 52808), (4305, 50416), (4592, 47265), (4715, 46032), (4795, 45264), (4830, 44936), (4920, 44114), (5480, 39606), (5520, 39319), (5617, 38640), (5658, 38360), (5740, 37812), (5754, 37720), (6302, 34440), (6440, 33702), (6576, 33005), (6601, 32880), (6888, 31510), (7544, 28770), (7672, 28290), (7728, 28085), (8220, 26404), (8610, 25208), (9430, 23016), (9453, 22960), (9590, 22632), (9660, 22468), (9840, 22057), (10960, 19803), (11234, 19320), (11316, 19180), (11480, 18906), (11508, 18860), (12604, 17220), (12880, 16851), (13202, 16440), (13776, 15755), (14145, 15344), (14385, 15088)]