68245760

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 184548672

約数和(自身を除く): 116302912

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 64, 74, 80, 88, 110, 128, 131, 148, 160, 176, 185, 220, 256, 262, 296, 320, 352, 370, 407, 440, 524, 592, 640, 655, 704, 740, 814, 880, 1048, 1184, 1280, 1310, 1408, 1441, 1480, 1628, 1760, 2035, 2096, 2368, 2620, 2816, 2882, 2960, 3256, 3520, 4070, 4192, 4736, 4847, 5240, 5764, 5920, 6512, 7040, 7205, 8140, 8384, 9472, 9694, 10480, 11528, 11840, 13024, 14080, 14410, 16280, 16768, 19388, 20960, 23056, 23680, 24235, 26048, 28820, 32560, 33536, 38776, 41920, 46112, 47360, 48470, 52096, 53317, 57640, 65120, 77552, 83840, 92224, 96940, 104192, 106634, 115280, 130240, 155104, 167680, 184448, 193880, 213268, 230560, 260480, 266585, 310208, 368896, 387760, 426536, 461120, 520960, 533170, 620416, 775520, 853072, 922240, 1066340, 1240832, 1551040, 1706144, 1844480, 2132680, 3102080, 3412288, 4265360, 6204160, 6824576, 8530720, 13649152, 17061440, 34122880, 68245760]

約数ペア:

[(1, 68245760), (2, 34122880), (4, 17061440), (5, 13649152), (8, 8530720), (10, 6824576), (11, 6204160), (16, 4265360), (20, 3412288), (22, 3102080), (32, 2132680), (37, 1844480), (40, 1706144), (44, 1551040), (55, 1240832), (64, 1066340), (74, 922240), (80, 853072), (88, 775520), (110, 620416), (128, 533170), (131, 520960), (148, 461120), (160, 426536), (176, 387760), (185, 368896), (220, 310208), (256, 266585), (262, 260480), (296, 230560), (320, 213268), (352, 193880), (370, 184448), (407, 167680), (440, 155104), (524, 130240), (592, 115280), (640, 106634), (655, 104192), (704, 96940), (740, 92224), (814, 83840), (880, 77552), (1048, 65120), (1184, 57640), (1280, 53317), (1310, 52096), (1408, 48470), (1441, 47360), (1480, 46112), (1628, 41920), (1760, 38776), (2035, 33536), (2096, 32560), (2368, 28820), (2620, 26048), (2816, 24235), (2882, 23680), (2960, 23056), (3256, 20960), (3520, 19388), (4070, 16768), (4192, 16280), (4736, 14410), (4847, 14080), (5240, 13024), (5764, 11840), (5920, 11528), (6512, 10480), (7040, 9694), (7205, 9472), (8140, 8384)]