66864960

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 224

約数和(自身を含む): 241401600

約数和(自身を除く): 174536640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 71, 72, 80, 90, 96, 108, 109, 120, 135, 142, 144, 160, 180, 192, 213, 216, 218, 240, 270, 284, 288, 320, 327, 355, 360, 426, 432, 436, 480, 540, 545, 568, 576, 639, 654, 710, 720, 852, 864, 872, 960, 981, 1065, 1080, 1090, 1136, 1278, 1308, 1420, 1440, 1635, 1704, 1728, 1744, 1917, 1962, 2130, 2160, 2180, 2272, 2556, 2616, 2840, 2880, 2943, 3195, 3270, 3408, 3488, 3834, 3924, 4260, 4320, 4360, 4544, 4905, 5112, 5232, 5680, 5886, 6390, 6540, 6816, 6976, 7668, 7739, 7848, 8520, 8640, 8720, 9585, 9810, 10224, 10464, 11360, 11772, 12780, 13080, 13632, 14715, 15336, 15478, 15696, 17040, 17440, 19170, 19620, 20448, 20928, 22720, 23217, 23544, 25560, 26160, 29430, 30672, 30956, 31392, 34080, 34880, 38340, 38695, 39240, 40896, 46434, 47088, 51120, 52320, 58860, 61344, 61912, 62784, 68160, 69651, 76680, 77390, 78480, 92868, 94176, 102240, 104640, 116085, 117720, 122688, 123824, 139302, 153360, 154780, 156960, 185736, 188352, 204480, 208953, 232170, 235440, 247648, 278604, 306720, 309560, 313920, 348255, 371472, 417906, 464340, 470880, 495296, 557208, 613440, 619120, 696510, 742944, 835812, 928680, 941760, 1044765, 1114416, 1238240, 1393020, 1485888, 1671624, 1857360, 2089530, 2228832, 2476480, 2786040, 3343248, 3714720, 4179060, 4457664, 5572080, 6686496, 7429440, 8358120, 11144160, 13372992, 16716240, 22288320, 33432480, 66864960]

約数ペア:

[(1, 66864960), (2, 33432480), (3, 22288320), (4, 16716240), (5, 13372992), (6, 11144160), (8, 8358120), (9, 7429440), (10, 6686496), (12, 5572080), (15, 4457664), (16, 4179060), (18, 3714720), (20, 3343248), (24, 2786040), (27, 2476480), (30, 2228832), (32, 2089530), (36, 1857360), (40, 1671624), (45, 1485888), (48, 1393020), (54, 1238240), (60, 1114416), (64, 1044765), (71, 941760), (72, 928680), (80, 835812), (90, 742944), (96, 696510), (108, 619120), (109, 613440), (120, 557208), (135, 495296), (142, 470880), (144, 464340), (160, 417906), (180, 371472), (192, 348255), (213, 313920), (216, 309560), (218, 306720), (240, 278604), (270, 247648), (284, 235440), (288, 232170), (320, 208953), (327, 204480), (355, 188352), (360, 185736), (426, 156960), (432, 154780), (436, 153360), (480, 139302), (540, 123824), (545, 122688), (568, 117720), (576, 116085), (639, 104640), (654, 102240), (710, 94176), (720, 92868), (852, 78480), (864, 77390), (872, 76680), (960, 69651), (981, 68160), (1065, 62784), (1080, 61912), (1090, 61344), (1136, 58860), (1278, 52320), (1308, 51120), (1420, 47088), (1440, 46434), (1635, 40896), (1704, 39240), (1728, 38695), (1744, 38340), (1917, 34880), (1962, 34080), (2130, 31392), (2160, 30956), (2180, 30672), (2272, 29430), (2556, 26160), (2616, 25560), (2840, 23544), (2880, 23217), (2943, 22720), (3195, 20928), (3270, 20448), (3408, 19620), (3488, 19170), (3834, 17440), (3924, 17040), (4260, 15696), (4320, 15478), (4360, 15336), (4544, 14715), (4905, 13632), (5112, 13080), (5232, 12780), (5680, 11772), (5886, 11360), (6390, 10464), (6540, 10224), (6816, 9810), (6976, 9585), (7668, 8720), (7739, 8640), (7848, 8520)]