78680160

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1$

素因数の和:507

約数の個数: 240

約数和(自身を含む): 299675376

約数和(自身を除く): 220995216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 467, 468, 480, 520, 540, 585, 624, 648, 702, 720, 780, 810, 864, 934, 936, 1040, 1053, 1080, 1170, 1248, 1296, 1401, 1404, 1440, 1560, 1620, 1755, 1868, 1872, 2080, 2106, 2160, 2335, 2340, 2592, 2802, 2808, 3120, 3240, 3510, 3736, 3744, 4203, 4212, 4320, 4670, 4680, 5265, 5604, 5616, 6071, 6240, 6480, 7005, 7020, 7472, 8406, 8424, 9340, 9360, 10530, 11208, 11232, 12142, 12609, 12960, 14010, 14040, 14944, 16812, 16848, 18213, 18680, 18720, 21015, 21060, 22416, 24284, 25218, 28020, 28080, 30355, 33624, 33696, 36426, 37360, 37827, 42030, 42120, 44832, 48568, 50436, 54639, 56040, 56160, 60710, 63045, 67248, 72852, 74720, 75654, 84060, 84240, 91065, 97136, 100872, 109278, 112080, 121420, 126090, 134496, 145704, 151308, 163917, 168120, 168480, 182130, 189135, 194272, 201744, 218556, 224160, 242840, 252180, 273195, 291408, 302616, 327834, 336240, 364260, 378270, 403488, 437112, 485680, 491751, 504360, 546390, 582816, 605232, 655668, 672480, 728520, 756540, 819585, 874224, 971360, 983502, 1008720, 1092780, 1210464, 1311336, 1457040, 1513080, 1639170, 1748448, 1967004, 2017440, 2185560, 2458755, 2622672, 2914080, 3026160, 3278340, 3934008, 4371120, 4917510, 5245344, 6052320, 6556680, 7868016, 8742240, 9835020, 13113360, 15736032, 19670040, 26226720, 39340080, 78680160]

約数ペア:

[(1, 78680160), (2, 39340080), (3, 26226720), (4, 19670040), (5, 15736032), (6, 13113360), (8, 9835020), (9, 8742240), (10, 7868016), (12, 6556680), (13, 6052320), (15, 5245344), (16, 4917510), (18, 4371120), (20, 3934008), (24, 3278340), (26, 3026160), (27, 2914080), (30, 2622672), (32, 2458755), (36, 2185560), (39, 2017440), (40, 1967004), (45, 1748448), (48, 1639170), (52, 1513080), (54, 1457040), (60, 1311336), (65, 1210464), (72, 1092780), (78, 1008720), (80, 983502), (81, 971360), (90, 874224), (96, 819585), (104, 756540), (108, 728520), (117, 672480), (120, 655668), (130, 605232), (135, 582816), (144, 546390), (156, 504360), (160, 491751), (162, 485680), (180, 437112), (195, 403488), (208, 378270), (216, 364260), (234, 336240), (240, 327834), (260, 302616), (270, 291408), (288, 273195), (312, 252180), (324, 242840), (351, 224160), (360, 218556), (390, 201744), (405, 194272), (416, 189135), (432, 182130), (467, 168480), (468, 168120), (480, 163917), (520, 151308), (540, 145704), (585, 134496), (624, 126090), (648, 121420), (702, 112080), (720, 109278), (780, 100872), (810, 97136), (864, 91065), (934, 84240), (936, 84060), (1040, 75654), (1053, 74720), (1080, 72852), (1170, 67248), (1248, 63045), (1296, 60710), (1401, 56160), (1404, 56040), (1440, 54639), (1560, 50436), (1620, 48568), (1755, 44832), (1868, 42120), (1872, 42030), (2080, 37827), (2106, 37360), (2160, 36426), (2335, 33696), (2340, 33624), (2592, 30355), (2802, 28080), (2808, 28020), (3120, 25218), (3240, 24284), (3510, 22416), (3736, 21060), (3744, 21015), (4203, 18720), (4212, 18680), (4320, 18213), (4670, 16848), (4680, 16812), (5265, 14944), (5604, 14040), (5616, 14010), (6071, 12960), (6240, 12609), (6480, 12142), (7005, 11232), (7020, 11208), (7472, 10530), (8406, 9360), (8424, 9340)]