399840480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 432

約数和(自身を含む): 1553924736

約数和(自身を除く): 1154084256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 32, 36, 39, 40, 45, 48, 52, 53, 60, 62, 65, 72, 78, 80, 90, 93, 96, 104, 106, 117, 120, 124, 130, 144, 155, 156, 159, 160, 169, 180, 186, 195, 208, 212, 234, 240, 248, 260, 265, 279, 288, 310, 312, 318, 338, 360, 372, 390, 403, 416, 424, 465, 468, 477, 480, 496, 507, 520, 530, 558, 585, 620, 624, 636, 676, 689, 720, 744, 780, 795, 806, 845, 848, 930, 936, 954, 992, 1014, 1040, 1060, 1116, 1170, 1209, 1240, 1248, 1272, 1352, 1378, 1395, 1440, 1488, 1521, 1560, 1590, 1612, 1643, 1690, 1696, 1860, 1872, 1908, 2015, 2028, 2067, 2080, 2120, 2232, 2340, 2385, 2418, 2480, 2535, 2544, 2704, 2756, 2790, 2976, 3042, 3120, 3180, 3224, 3286, 3380, 3445, 3627, 3720, 3744, 3816, 4030, 4056, 4134, 4240, 4464, 4680, 4770, 4836, 4929, 4960, 5070, 5088, 5239, 5408, 5512, 5580, 6045, 6084, 6201, 6240, 6360, 6448, 6572, 6760, 6890, 7254, 7440, 7605, 7632, 8060, 8112, 8215, 8268, 8480, 8928, 8957, 9360, 9540, 9672, 9858, 10140, 10335, 10478, 11024, 11160, 12090, 12168, 12402, 12720, 12896, 13144, 13520, 13780, 14508, 14787, 14880, 15210, 15264, 15717, 16120, 16224, 16430, 16536, 17914, 18135, 18720, 19080, 19344, 19716, 20280, 20670, 20956, 21359, 22048, 22320, 24180, 24336, 24645, 24804, 25440, 26195, 26288, 26871, 27040, 27560, 29016, 29574, 30420, 31005, 31434, 32240, 32860, 33072, 35828, 36270, 38160, 38688, 39432, 40560, 41340, 41912, 42718, 44640, 44785, 47151, 48360, 48672, 49290, 49608, 52390, 52576, 53742, 55120, 58032, 59148, 60840, 62010, 62868, 64077, 64480, 65720, 66144, 71656, 72540, 73935, 76320, 78585, 78864, 80613, 81120, 82680, 83824, 85436, 89570, 94302, 96720, 98580, 99216, 104780, 106795, 107484, 110240, 116064, 118296, 121680, 124020, 125736, 128154, 131440, 134355, 143312, 145080, 147870, 157170, 157728, 161226, 165360, 167648, 170872, 179140, 188604, 192231, 193440, 197160, 198432, 209560, 213590, 214968, 235755, 236592, 243360, 248040, 251472, 256308, 262880, 268710, 277667, 286624, 290160, 295740, 314340, 320385, 322452, 330720, 341744, 358280, 377208, 384462, 394320, 403065, 419120, 427180, 429936, 471510, 473184, 496080, 502944, 512616, 537420, 555334, 580320, 591480, 628680, 640770, 644904, 683488, 716560, 754416, 768924, 788640, 806130, 833001, 838240, 854360, 859872, 943020, 961155, 992160, 1025232, 1074840, 1110668, 1182960, 1257360, 1281540, 1289808, 1388335, 1433120, 1508832, 1537848, 1612260, 1666002, 1708720, 1886040, 1922310, 2050464, 2149680, 2221336, 2365920, 2499003, 2514720, 2563080, 2579616, 2776670, 3075696, 3224520, 3332004, 3417440, 3772080, 3844620, 4165005, 4299360, 4442672, 4998006, 5126160, 5553340, 6151392, 6449040, 6664008, 7544160, 7689240, 8330010, 8885344, 9996012, 10252320, 11106680, 12495015, 12898080, 13328016, 15378480, 16660020, 19992024, 22213360, 24990030, 26656032, 30756960, 33320040, 39984048, 44426720, 49980060, 66640080, 79968096, 99960120, 133280160, 199920240, 399840480]

約数ペア:

[(1, 399840480), (2, 199920240), (3, 133280160), (4, 99960120), (5, 79968096), (6, 66640080), (8, 49980060), (9, 44426720), (10, 39984048), (12, 33320040), (13, 30756960), (15, 26656032), (16, 24990030), (18, 22213360), (20, 19992024), (24, 16660020), (26, 15378480), (30, 13328016), (31, 12898080), (32, 12495015), (36, 11106680), (39, 10252320), (40, 9996012), (45, 8885344), (48, 8330010), (52, 7689240), (53, 7544160), (60, 6664008), (62, 6449040), (65, 6151392), (72, 5553340), (78, 5126160), (80, 4998006), (90, 4442672), (93, 4299360), (96, 4165005), (104, 3844620), (106, 3772080), (117, 3417440), (120, 3332004), (124, 3224520), (130, 3075696), (144, 2776670), (155, 2579616), (156, 2563080), (159, 2514720), (160, 2499003), (169, 2365920), (180, 2221336), (186, 2149680), (195, 2050464), (208, 1922310), (212, 1886040), (234, 1708720), (240, 1666002), (248, 1612260), (260, 1537848), (265, 1508832), (279, 1433120), (288, 1388335), (310, 1289808), (312, 1281540), (318, 1257360), (338, 1182960), (360, 1110668), (372, 1074840), (390, 1025232), (403, 992160), (416, 961155), (424, 943020), (465, 859872), (468, 854360), (477, 838240), (480, 833001), (496, 806130), (507, 788640), (520, 768924), (530, 754416), (558, 716560), (585, 683488), (620, 644904), (624, 640770), (636, 628680), (676, 591480), (689, 580320), (720, 555334), (744, 537420), (780, 512616), (795, 502944), (806, 496080), (845, 473184), (848, 471510), (930, 429936), (936, 427180), (954, 419120), (992, 403065), (1014, 394320), (1040, 384462), (1060, 377208), (1116, 358280), (1170, 341744), (1209, 330720), (1240, 322452), (1248, 320385), (1272, 314340), (1352, 295740), (1378, 290160), (1395, 286624), (1440, 277667), (1488, 268710), (1521, 262880), (1560, 256308), (1590, 251472), (1612, 248040), (1643, 243360), (1690, 236592), (1696, 235755), (1860, 214968), (1872, 213590), (1908, 209560), (2015, 198432), (2028, 197160), (2067, 193440), (2080, 192231), (2120, 188604), (2232, 179140), (2340, 170872), (2385, 167648), (2418, 165360), (2480, 161226), (2535, 157728), (2544, 157170), (2704, 147870), (2756, 145080), (2790, 143312), (2976, 134355), (3042, 131440), (3120, 128154), (3180, 125736), (3224, 124020), (3286, 121680), (3380, 118296), (3445, 116064), (3627, 110240), (3720, 107484), (3744, 106795), (3816, 104780), (4030, 99216), (4056, 98580), (4134, 96720), (4240, 94302), (4464, 89570), (4680, 85436), (4770, 83824), (4836, 82680), (4929, 81120), (4960, 80613), (5070, 78864), (5088, 78585), (5239, 76320), (5408, 73935), (5512, 72540), (5580, 71656), (6045, 66144), (6084, 65720), (6201, 64480), (6240, 64077), (6360, 62868), (6448, 62010), (6572, 60840), (6760, 59148), (6890, 58032), (7254, 55120), (7440, 53742), (7605, 52576), (7632, 52390), (8060, 49608), (8112, 49290), (8215, 48672), (8268, 48360), (8480, 47151), (8928, 44785), (8957, 44640), (9360, 42718), (9540, 41912), (9672, 41340), (9858, 40560), (10140, 39432), (10335, 38688), (10478, 38160), (11024, 36270), (11160, 35828), (12090, 33072), (12168, 32860), (12402, 32240), (12720, 31434), (12896, 31005), (13144, 30420), (13520, 29574), (13780, 29016), (14508, 27560), (14787, 27040), (14880, 26871), (15210, 26288), (15264, 26195), (15717, 25440), (16120, 24804), (16224, 24645), (16430, 24336), (16536, 24180), (17914, 22320), (18135, 22048), (18720, 21359), (19080, 20956), (19344, 20670), (19716, 20280)]