217128672

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 144

約数和(自身を含む): 642161520

約数和(自身を除く): 425032848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 89, 96, 129, 144, 172, 178, 197, 258, 267, 288, 344, 356, 387, 394, 516, 534, 591, 688, 712, 774, 788, 801, 1032, 1068, 1182, 1376, 1424, 1548, 1576, 1602, 1773, 2064, 2136, 2364, 2848, 3096, 3152, 3204, 3546, 3827, 4128, 4272, 4728, 6192, 6304, 6408, 7092, 7654, 8471, 8544, 9456, 11481, 12384, 12816, 14184, 15308, 16942, 17533, 18912, 22962, 25413, 25632, 28368, 30616, 33884, 34443, 35066, 45924, 50826, 52599, 56736, 61232, 67768, 68886, 70132, 76239, 91848, 101652, 105198, 122464, 135536, 137772, 140264, 152478, 157797, 183696, 203304, 210396, 271072, 275544, 280528, 304956, 315594, 367392, 406608, 420792, 551088, 561056, 609912, 631188, 753919, 813216, 841584, 1102176, 1219824, 1262376, 1507838, 1683168, 2261757, 2439648, 2524752, 3015676, 4523514, 5049504, 6031352, 6785271, 9047028, 12062704, 13570542, 18094056, 24125408, 27141084, 36188112, 54282168, 72376224, 108564336, 217128672]

約数ペア:

[(1, 217128672), (2, 108564336), (3, 72376224), (4, 54282168), (6, 36188112), (8, 27141084), (9, 24125408), (12, 18094056), (16, 13570542), (18, 12062704), (24, 9047028), (32, 6785271), (36, 6031352), (43, 5049504), (48, 4523514), (72, 3015676), (86, 2524752), (89, 2439648), (96, 2261757), (129, 1683168), (144, 1507838), (172, 1262376), (178, 1219824), (197, 1102176), (258, 841584), (267, 813216), (288, 753919), (344, 631188), (356, 609912), (387, 561056), (394, 551088), (516, 420792), (534, 406608), (591, 367392), (688, 315594), (712, 304956), (774, 280528), (788, 275544), (801, 271072), (1032, 210396), (1068, 203304), (1182, 183696), (1376, 157797), (1424, 152478), (1548, 140264), (1576, 137772), (1602, 135536), (1773, 122464), (2064, 105198), (2136, 101652), (2364, 91848), (2848, 76239), (3096, 70132), (3152, 68886), (3204, 67768), (3546, 61232), (3827, 56736), (4128, 52599), (4272, 50826), (4728, 45924), (6192, 35066), (6304, 34443), (6408, 33884), (7092, 30616), (7654, 28368), (8471, 25632), (8544, 25413), (9456, 22962), (11481, 18912), (12384, 17533), (12816, 16942), (14184, 15308)]