427808640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:397

約数の個数: 256

約数和(自身を含む): 1576512000

約数和(自身を除く): 1148703360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 139, 140, 160, 168, 192, 210, 224, 229, 240, 278, 280, 320, 336, 384, 417, 420, 448, 458, 480, 556, 560, 640, 672, 687, 695, 834, 840, 896, 916, 960, 973, 1112, 1120, 1145, 1344, 1374, 1390, 1603, 1668, 1680, 1832, 1920, 1946, 2085, 2224, 2240, 2290, 2688, 2748, 2780, 2919, 3206, 3336, 3360, 3435, 3664, 3892, 4170, 4448, 4480, 4580, 4809, 4865, 5496, 5560, 5838, 6412, 6672, 6720, 6870, 7328, 7784, 8015, 8340, 8896, 9160, 9618, 9730, 10992, 11120, 11676, 12824, 13344, 13440, 13740, 14595, 14656, 15568, 16030, 16680, 17792, 18320, 19236, 19460, 21984, 22240, 23352, 24045, 25648, 26688, 27480, 29190, 29312, 31136, 31831, 32060, 33360, 36640, 38472, 38920, 43968, 44480, 46704, 48090, 51296, 53376, 54960, 58380, 62272, 63662, 64120, 66720, 73280, 76944, 77840, 87936, 88960, 93408, 95493, 96180, 102592, 109920, 116760, 124544, 127324, 128240, 133440, 146560, 153888, 155680, 159155, 186816, 190986, 192360, 205184, 219840, 222817, 233520, 254648, 256480, 266880, 307776, 311360, 318310, 373632, 381972, 384720, 439680, 445634, 467040, 477465, 509296, 512960, 615552, 622720, 636620, 668451, 763944, 769440, 891268, 934080, 954930, 1018592, 1025920, 1114085, 1273240, 1336902, 1527888, 1538880, 1782536, 1868160, 1909860, 2037184, 2228170, 2546480, 2673804, 3055776, 3077760, 3342255, 3565072, 3819720, 4074368, 4456340, 5092960, 5347608, 6111552, 6684510, 7130144, 7639440, 8912680, 10185920, 10695216, 12223104, 13369020, 14260288, 15278880, 17825360, 20371840, 21390432, 26738040, 28520576, 30557760, 35650720, 42780864, 53476080, 61115520, 71301440, 85561728, 106952160, 142602880, 213904320, 427808640]

約数ペア:

[(1, 427808640), (2, 213904320), (3, 142602880), (4, 106952160), (5, 85561728), (6, 71301440), (7, 61115520), (8, 53476080), (10, 42780864), (12, 35650720), (14, 30557760), (15, 28520576), (16, 26738040), (20, 21390432), (21, 20371840), (24, 17825360), (28, 15278880), (30, 14260288), (32, 13369020), (35, 12223104), (40, 10695216), (42, 10185920), (48, 8912680), (56, 7639440), (60, 7130144), (64, 6684510), (70, 6111552), (80, 5347608), (84, 5092960), (96, 4456340), (105, 4074368), (112, 3819720), (120, 3565072), (128, 3342255), (139, 3077760), (140, 3055776), (160, 2673804), (168, 2546480), (192, 2228170), (210, 2037184), (224, 1909860), (229, 1868160), (240, 1782536), (278, 1538880), (280, 1527888), (320, 1336902), (336, 1273240), (384, 1114085), (417, 1025920), (420, 1018592), (448, 954930), (458, 934080), (480, 891268), (556, 769440), (560, 763944), (640, 668451), (672, 636620), (687, 622720), (695, 615552), (834, 512960), (840, 509296), (896, 477465), (916, 467040), (960, 445634), (973, 439680), (1112, 384720), (1120, 381972), (1145, 373632), (1344, 318310), (1374, 311360), (1390, 307776), (1603, 266880), (1668, 256480), (1680, 254648), (1832, 233520), (1920, 222817), (1946, 219840), (2085, 205184), (2224, 192360), (2240, 190986), (2290, 186816), (2688, 159155), (2748, 155680), (2780, 153888), (2919, 146560), (3206, 133440), (3336, 128240), (3360, 127324), (3435, 124544), (3664, 116760), (3892, 109920), (4170, 102592), (4448, 96180), (4480, 95493), (4580, 93408), (4809, 88960), (4865, 87936), (5496, 77840), (5560, 76944), (5838, 73280), (6412, 66720), (6672, 64120), (6720, 63662), (6870, 62272), (7328, 58380), (7784, 54960), (8015, 53376), (8340, 51296), (8896, 48090), (9160, 46704), (9618, 44480), (9730, 43968), (10992, 38920), (11120, 38472), (11676, 36640), (12824, 33360), (13344, 32060), (13440, 31831), (13740, 31136), (14595, 29312), (14656, 29190), (15568, 27480), (16030, 26688), (16680, 25648), (17792, 24045), (18320, 23352), (19236, 22240), (19460, 21984)]