20460702080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3109}}^1$

素因数の和:3261

約数の個数: 256

約数和(自身を含む): 60753974400

約数和(自身を除く): 40293272320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 113, 128, 130, 140, 160, 182, 208, 224, 226, 260, 280, 320, 364, 416, 448, 452, 455, 520, 560, 565, 640, 728, 791, 832, 896, 904, 910, 1040, 1120, 1130, 1456, 1469, 1582, 1664, 1808, 1820, 2080, 2240, 2260, 2912, 2938, 3109, 3164, 3616, 3640, 3955, 4160, 4480, 4520, 5824, 5876, 6218, 6328, 7232, 7280, 7345, 7910, 8320, 9040, 10283, 11648, 11752, 12436, 12656, 14464, 14560, 14690, 15545, 15820, 18080, 20566, 21763, 23504, 24872, 25312, 29120, 29380, 31090, 31640, 36160, 40417, 41132, 43526, 47008, 49744, 50624, 51415, 58240, 58760, 62180, 63280, 72320, 80834, 82264, 87052, 94016, 99488, 101248, 102830, 108815, 117520, 124360, 126560, 161668, 164528, 174104, 188032, 198976, 202085, 205660, 217630, 235040, 248720, 253120, 282919, 323336, 329056, 348208, 351317, 397952, 404170, 411320, 435260, 470080, 497440, 506240, 565838, 646672, 658112, 696416, 702634, 808340, 822640, 870520, 940160, 994880, 1131676, 1293344, 1316224, 1392832, 1405268, 1414595, 1616680, 1645280, 1741040, 1756585, 1989760, 2263352, 2459219, 2586688, 2785664, 2810536, 2829190, 3233360, 3290560, 3482080, 3513170, 4526704, 4567121, 4918438, 5173376, 5621072, 5658380, 6466720, 6581120, 6964160, 7026340, 9053408, 9134242, 9836876, 11242144, 11316760, 12296095, 12933440, 13928320, 14052680, 18106816, 18268484, 19673752, 22484288, 22633520, 22835605, 24592190, 25866880, 28105360, 31969847, 36213632, 36536968, 39347504, 44968576, 45267040, 45671210, 49184380, 56210720, 63939694, 73073936, 78695008, 90534080, 91342420, 98368760, 112421440, 127879388, 146147872, 157390016, 159849235, 181068160, 182684840, 196737520, 224842880, 255758776, 292295744, 314780032, 319698470, 365369680, 393475040, 511517552, 584591488, 639396940, 730739360, 786950080, 1023035104, 1278793880, 1461478720, 1573900160, 2046070208, 2557587760, 2922957440, 4092140416, 5115175520, 10230351040, 20460702080]

約数ペア:

[(1, 20460702080), (2, 10230351040), (4, 5115175520), (5, 4092140416), (7, 2922957440), (8, 2557587760), (10, 2046070208), (13, 1573900160), (14, 1461478720), (16, 1278793880), (20, 1023035104), (26, 786950080), (28, 730739360), (32, 639396940), (35, 584591488), (40, 511517552), (52, 393475040), (56, 365369680), (64, 319698470), (65, 314780032), (70, 292295744), (80, 255758776), (91, 224842880), (104, 196737520), (112, 182684840), (113, 181068160), (128, 159849235), (130, 157390016), (140, 146147872), (160, 127879388), (182, 112421440), (208, 98368760), (224, 91342420), (226, 90534080), (260, 78695008), (280, 73073936), (320, 63939694), (364, 56210720), (416, 49184380), (448, 45671210), (452, 45267040), (455, 44968576), (520, 39347504), (560, 36536968), (565, 36213632), (640, 31969847), (728, 28105360), (791, 25866880), (832, 24592190), (896, 22835605), (904, 22633520), (910, 22484288), (1040, 19673752), (1120, 18268484), (1130, 18106816), (1456, 14052680), (1469, 13928320), (1582, 12933440), (1664, 12296095), (1808, 11316760), (1820, 11242144), (2080, 9836876), (2240, 9134242), (2260, 9053408), (2912, 7026340), (2938, 6964160), (3109, 6581120), (3164, 6466720), (3616, 5658380), (3640, 5621072), (3955, 5173376), (4160, 4918438), (4480, 4567121), (4520, 4526704), (5824, 3513170), (5876, 3482080), (6218, 3290560), (6328, 3233360), (7232, 2829190), (7280, 2810536), (7345, 2785664), (7910, 2586688), (8320, 2459219), (9040, 2263352), (10283, 1989760), (11648, 1756585), (11752, 1741040), (12436, 1645280), (12656, 1616680), (14464, 1414595), (14560, 1405268), (14690, 1392832), (15545, 1316224), (15820, 1293344), (18080, 1131676), (20566, 994880), (21763, 940160), (23504, 870520), (24872, 822640), (25312, 808340), (29120, 702634), (29380, 696416), (31090, 658112), (31640, 646672), (36160, 565838), (40417, 506240), (41132, 497440), (43526, 470080), (47008, 435260), (49744, 411320), (50624, 404170), (51415, 397952), (58240, 351317), (58760, 348208), (62180, 329056), (63280, 323336), (72320, 282919), (80834, 253120), (82264, 248720), (87052, 235040), (94016, 217630), (99488, 205660), (101248, 202085), (102830, 198976), (108815, 188032), (117520, 174104), (124360, 164528), (126560, 161668)]