18781656960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20681}}^1$

素因数の和:20757

約数の個数: 256

約数和(自身を含む): 66830987520

約数和(自身を除く): 48049330560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 43, 44, 48, 55, 60, 64, 66, 80, 86, 88, 96, 110, 120, 128, 129, 132, 160, 165, 172, 176, 192, 215, 220, 240, 258, 264, 320, 330, 344, 352, 384, 430, 440, 473, 480, 516, 528, 640, 645, 660, 688, 704, 860, 880, 946, 960, 1032, 1056, 1290, 1320, 1376, 1408, 1419, 1720, 1760, 1892, 1920, 2064, 2112, 2365, 2580, 2640, 2752, 2838, 3440, 3520, 3784, 4128, 4224, 4730, 5160, 5280, 5504, 5676, 6880, 7040, 7095, 7568, 8256, 9460, 10320, 10560, 11352, 13760, 14190, 15136, 16512, 18920, 20640, 20681, 21120, 22704, 27520, 28380, 30272, 37840, 41280, 41362, 45408, 56760, 60544, 62043, 75680, 82560, 82724, 90816, 103405, 113520, 124086, 151360, 165448, 181632, 206810, 227040, 227491, 248172, 302720, 310215, 330896, 413620, 454080, 454982, 496344, 620430, 661792, 682473, 827240, 889283, 908160, 909964, 992688, 1137455, 1240860, 1323584, 1364946, 1654480, 1778566, 1819928, 1985376, 2274910, 2481720, 2647168, 2667849, 2729892, 3308960, 3412365, 3557132, 3639856, 3970752, 4446415, 4549820, 4963440, 5335698, 5459784, 6617920, 6824730, 7114264, 7279712, 7941504, 8892830, 9099640, 9782113, 9926880, 10671396, 10919568, 13235840, 13339245, 13649460, 14228528, 14559424, 17785660, 18199280, 19564226, 19853760, 21342792, 21839136, 26678490, 27298920, 28457056, 29118848, 29346339, 35571320, 36398560, 39128452, 39707520, 42685584, 43678272, 48910565, 53356980, 54597840, 56914112, 58692678, 71142640, 72797120, 78256904, 85371168, 87356544, 97821130, 106713960, 109195680, 113828224, 117385356, 142285280, 145594240, 146731695, 156513808, 170742336, 195642260, 213427920, 218391360, 234770712, 284570560, 293463390, 313027616, 341484672, 391284520, 426855840, 436782720, 469541424, 569141120, 586926780, 626055232, 782569040, 853711680, 939082848, 1173853560, 1252110464, 1565138080, 1707423360, 1878165696, 2347707120, 3130276160, 3756331392, 4695414240, 6260552320, 9390828480, 18781656960]

約数ペア:

[(1, 18781656960), (2, 9390828480), (3, 6260552320), (4, 4695414240), (5, 3756331392), (6, 3130276160), (8, 2347707120), (10, 1878165696), (11, 1707423360), (12, 1565138080), (15, 1252110464), (16, 1173853560), (20, 939082848), (22, 853711680), (24, 782569040), (30, 626055232), (32, 586926780), (33, 569141120), (40, 469541424), (43, 436782720), (44, 426855840), (48, 391284520), (55, 341484672), (60, 313027616), (64, 293463390), (66, 284570560), (80, 234770712), (86, 218391360), (88, 213427920), (96, 195642260), (110, 170742336), (120, 156513808), (128, 146731695), (129, 145594240), (132, 142285280), (160, 117385356), (165, 113828224), (172, 109195680), (176, 106713960), (192, 97821130), (215, 87356544), (220, 85371168), (240, 78256904), (258, 72797120), (264, 71142640), (320, 58692678), (330, 56914112), (344, 54597840), (352, 53356980), (384, 48910565), (430, 43678272), (440, 42685584), (473, 39707520), (480, 39128452), (516, 36398560), (528, 35571320), (640, 29346339), (645, 29118848), (660, 28457056), (688, 27298920), (704, 26678490), (860, 21839136), (880, 21342792), (946, 19853760), (960, 19564226), (1032, 18199280), (1056, 17785660), (1290, 14559424), (1320, 14228528), (1376, 13649460), (1408, 13339245), (1419, 13235840), (1720, 10919568), (1760, 10671396), (1892, 9926880), (1920, 9782113), (2064, 9099640), (2112, 8892830), (2365, 7941504), (2580, 7279712), (2640, 7114264), (2752, 6824730), (2838, 6617920), (3440, 5459784), (3520, 5335698), (3784, 4963440), (4128, 4549820), (4224, 4446415), (4730, 3970752), (5160, 3639856), (5280, 3557132), (5504, 3412365), (5676, 3308960), (6880, 2729892), (7040, 2667849), (7095, 2647168), (7568, 2481720), (8256, 2274910), (9460, 1985376), (10320, 1819928), (10560, 1778566), (11352, 1654480), (13760, 1364946), (14190, 1323584), (15136, 1240860), (16512, 1137455), (18920, 992688), (20640, 909964), (20681, 908160), (21120, 889283), (22704, 827240), (27520, 682473), (28380, 661792), (30272, 620430), (37840, 496344), (41280, 454982), (41362, 454080), (45408, 413620), (56760, 330896), (60544, 310215), (62043, 302720), (75680, 248172), (82560, 227491), (82724, 227040), (90816, 206810), (103405, 181632), (113520, 165448), (124086, 151360)]