680415840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1913}}^1$

素因数の和:1966

約数の個数: 288

約数和(自身を含む): 2633510880

約数和(自身を除く): 1953095040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 32, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 96, 104, 114, 117, 120, 130, 144, 152, 156, 160, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 288, 304, 312, 342, 360, 380, 390, 416, 456, 468, 480, 494, 520, 570, 585, 608, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1248, 1368, 1440, 1482, 1520, 1560, 1710, 1824, 1872, 1913, 1976, 2080, 2223, 2280, 2340, 2470, 2736, 2964, 3040, 3120, 3420, 3705, 3744, 3826, 3952, 4446, 4560, 4680, 4940, 5472, 5739, 5928, 6240, 6840, 7410, 7652, 7904, 8892, 9120, 9360, 9565, 9880, 11115, 11478, 11856, 13680, 14820, 15304, 17217, 17784, 18720, 19130, 19760, 22230, 22956, 23712, 24869, 27360, 28695, 29640, 30608, 34434, 35568, 36347, 38260, 39520, 44460, 45912, 49738, 57390, 59280, 61216, 68868, 71136, 72694, 74607, 76520, 86085, 88920, 91824, 99476, 109041, 114780, 118560, 124345, 137736, 145388, 149214, 153040, 172170, 177840, 181735, 183648, 198952, 218082, 223821, 229560, 248690, 275472, 290776, 298428, 306080, 327123, 344340, 355680, 363470, 373035, 397904, 436164, 447642, 459120, 472511, 497380, 545205, 550944, 581552, 596856, 654246, 688680, 726940, 746070, 795808, 872328, 895284, 918240, 945022, 994760, 1090410, 1119105, 1163104, 1193712, 1308492, 1377360, 1417533, 1453880, 1492140, 1635615, 1744656, 1790568, 1890044, 1989520, 2180820, 2238210, 2362555, 2387424, 2616984, 2754720, 2835066, 2907760, 2984280, 3271230, 3489312, 3581136, 3780088, 3979040, 4252599, 4361640, 4476420, 4725110, 5233968, 5670132, 5815520, 5968560, 6542460, 7087665, 7162272, 7560176, 8505198, 8723280, 8952840, 9450220, 10467936, 11340264, 11937120, 13084920, 14175330, 15120352, 17010396, 17446560, 17905680, 18900440, 21262995, 22680528, 26169840, 28350660, 34020792, 35811360, 37800880, 42525990, 45361056, 52339680, 56701320, 68041584, 75601760, 85051980, 113402640, 136083168, 170103960, 226805280, 340207920, 680415840]

約数ペア:

[(1, 680415840), (2, 340207920), (3, 226805280), (4, 170103960), (5, 136083168), (6, 113402640), (8, 85051980), (9, 75601760), (10, 68041584), (12, 56701320), (13, 52339680), (15, 45361056), (16, 42525990), (18, 37800880), (19, 35811360), (20, 34020792), (24, 28350660), (26, 26169840), (30, 22680528), (32, 21262995), (36, 18900440), (38, 17905680), (39, 17446560), (40, 17010396), (45, 15120352), (48, 14175330), (52, 13084920), (57, 11937120), (60, 11340264), (65, 10467936), (72, 9450220), (76, 8952840), (78, 8723280), (80, 8505198), (90, 7560176), (95, 7162272), (96, 7087665), (104, 6542460), (114, 5968560), (117, 5815520), (120, 5670132), (130, 5233968), (144, 4725110), (152, 4476420), (156, 4361640), (160, 4252599), (171, 3979040), (180, 3780088), (190, 3581136), (195, 3489312), (208, 3271230), (228, 2984280), (234, 2907760), (240, 2835066), (247, 2754720), (260, 2616984), (285, 2387424), (288, 2362555), (304, 2238210), (312, 2180820), (342, 1989520), (360, 1890044), (380, 1790568), (390, 1744656), (416, 1635615), (456, 1492140), (468, 1453880), (480, 1417533), (494, 1377360), (520, 1308492), (570, 1193712), (585, 1163104), (608, 1119105), (624, 1090410), (684, 994760), (720, 945022), (741, 918240), (760, 895284), (780, 872328), (855, 795808), (912, 746070), (936, 726940), (988, 688680), (1040, 654246), (1140, 596856), (1170, 581552), (1235, 550944), (1248, 545205), (1368, 497380), (1440, 472511), (1482, 459120), (1520, 447642), (1560, 436164), (1710, 397904), (1824, 373035), (1872, 363470), (1913, 355680), (1976, 344340), (2080, 327123), (2223, 306080), (2280, 298428), (2340, 290776), (2470, 275472), (2736, 248690), (2964, 229560), (3040, 223821), (3120, 218082), (3420, 198952), (3705, 183648), (3744, 181735), (3826, 177840), (3952, 172170), (4446, 153040), (4560, 149214), (4680, 145388), (4940, 137736), (5472, 124345), (5739, 118560), (5928, 114780), (6240, 109041), (6840, 99476), (7410, 91824), (7652, 88920), (7904, 86085), (8892, 76520), (9120, 74607), (9360, 72694), (9565, 71136), (9880, 68868), (11115, 61216), (11478, 59280), (11856, 57390), (13680, 49738), (14820, 45912), (15304, 44460), (17217, 39520), (17784, 38260), (18720, 36347), (19130, 35568), (19760, 34434), (22230, 30608), (22956, 29640), (23712, 28695), (24869, 27360)]