1285236720

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3889}}^1$

素因数の和:3934

約数の個数: 240

約数和(自身を含む): 4740634080

約数和(自身を除く): 3455397360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 81, 85, 90, 102, 108, 120, 135, 136, 144, 153, 162, 170, 180, 204, 216, 240, 243, 255, 270, 272, 306, 324, 340, 360, 405, 408, 432, 459, 486, 510, 540, 612, 648, 680, 720, 765, 810, 816, 918, 972, 1020, 1080, 1215, 1224, 1296, 1360, 1377, 1530, 1620, 1836, 1944, 2040, 2160, 2295, 2430, 2448, 2754, 3060, 3240, 3672, 3888, 3889, 4080, 4131, 4590, 4860, 5508, 6120, 6480, 6885, 7344, 7778, 8262, 9180, 9720, 11016, 11667, 12240, 13770, 15556, 16524, 18360, 19440, 19445, 20655, 22032, 23334, 27540, 31112, 33048, 35001, 36720, 38890, 41310, 46668, 55080, 58335, 62224, 66096, 66113, 70002, 77780, 82620, 93336, 105003, 110160, 116670, 132226, 140004, 155560, 165240, 175005, 186672, 198339, 210006, 233340, 264452, 280008, 311120, 315009, 330480, 330565, 350010, 396678, 420012, 466680, 525015, 528904, 560016, 595017, 630018, 661130, 700020, 793356, 840024, 933360, 945027, 991695, 1050030, 1057808, 1190034, 1260036, 1322260, 1400040, 1575045, 1586712, 1680048, 1785051, 1890054, 1983390, 2100060, 2380068, 2520072, 2644520, 2800080, 2975085, 3150090, 3173424, 3570102, 3780108, 3966780, 4200120, 4725135, 4760136, 5040144, 5289040, 5355153, 5950170, 6300180, 7140204, 7560216, 7933560, 8400240, 8925255, 9450270, 9520272, 10710306, 11900340, 12600360, 14280408, 15120432, 15867120, 16065459, 17850510, 18900540, 21420612, 23800680, 25200720, 26775765, 28560816, 32130918, 35701020, 37801080, 42841224, 47601360, 53551530, 64261836, 71402040, 75602160, 80327295, 85682448, 107103060, 128523672, 142804080, 160654590, 214206120, 257047344, 321309180, 428412240, 642618360, 1285236720]

約数ペア:

[(1, 1285236720), (2, 642618360), (3, 428412240), (4, 321309180), (5, 257047344), (6, 214206120), (8, 160654590), (9, 142804080), (10, 128523672), (12, 107103060), (15, 85682448), (16, 80327295), (17, 75602160), (18, 71402040), (20, 64261836), (24, 53551530), (27, 47601360), (30, 42841224), (34, 37801080), (36, 35701020), (40, 32130918), (45, 28560816), (48, 26775765), (51, 25200720), (54, 23800680), (60, 21420612), (68, 18900540), (72, 17850510), (80, 16065459), (81, 15867120), (85, 15120432), (90, 14280408), (102, 12600360), (108, 11900340), (120, 10710306), (135, 9520272), (136, 9450270), (144, 8925255), (153, 8400240), (162, 7933560), (170, 7560216), (180, 7140204), (204, 6300180), (216, 5950170), (240, 5355153), (243, 5289040), (255, 5040144), (270, 4760136), (272, 4725135), (306, 4200120), (324, 3966780), (340, 3780108), (360, 3570102), (405, 3173424), (408, 3150090), (432, 2975085), (459, 2800080), (486, 2644520), (510, 2520072), (540, 2380068), (612, 2100060), (648, 1983390), (680, 1890054), (720, 1785051), (765, 1680048), (810, 1586712), (816, 1575045), (918, 1400040), (972, 1322260), (1020, 1260036), (1080, 1190034), (1215, 1057808), (1224, 1050030), (1296, 991695), (1360, 945027), (1377, 933360), (1530, 840024), (1620, 793356), (1836, 700020), (1944, 661130), (2040, 630018), (2160, 595017), (2295, 560016), (2430, 528904), (2448, 525015), (2754, 466680), (3060, 420012), (3240, 396678), (3672, 350010), (3888, 330565), (3889, 330480), (4080, 315009), (4131, 311120), (4590, 280008), (4860, 264452), (5508, 233340), (6120, 210006), (6480, 198339), (6885, 186672), (7344, 175005), (7778, 165240), (8262, 155560), (9180, 140004), (9720, 132226), (11016, 116670), (11667, 110160), (12240, 105003), (13770, 93336), (15556, 82620), (16524, 77780), (18360, 70002), (19440, 66113), (19445, 66096), (20655, 62224), (22032, 58335), (23334, 55080), (27540, 46668), (31112, 41310), (33048, 38890), (35001, 36720)]