255567720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 256

約数和(自身を含む): 862617600

約数和(自身を除く): 607049880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 31, 40, 46, 58, 60, 62, 69, 87, 92, 93, 103, 115, 116, 120, 124, 138, 145, 155, 174, 184, 186, 206, 230, 232, 248, 276, 290, 309, 310, 345, 348, 372, 412, 435, 460, 465, 515, 552, 580, 618, 620, 667, 690, 696, 713, 744, 824, 870, 899, 920, 930, 1030, 1160, 1236, 1240, 1334, 1380, 1426, 1545, 1740, 1798, 1860, 2001, 2060, 2139, 2369, 2472, 2668, 2697, 2760, 2852, 2987, 3090, 3193, 3335, 3480, 3565, 3596, 3720, 4002, 4120, 4278, 4495, 4738, 5336, 5394, 5704, 5974, 6180, 6386, 6670, 7107, 7130, 7192, 8004, 8556, 8961, 8990, 9476, 9579, 10005, 10695, 10788, 11845, 11948, 12360, 12772, 13340, 13485, 14214, 14260, 14935, 15965, 16008, 17112, 17922, 17980, 18952, 19158, 20010, 20677, 21390, 21576, 23690, 23896, 25544, 26680, 26970, 28428, 28520, 29870, 31930, 35535, 35844, 35960, 38316, 40020, 41354, 42780, 44805, 47380, 47895, 53940, 56856, 59740, 62031, 63860, 68701, 71070, 71688, 73439, 76632, 80040, 82708, 85560, 89610, 92597, 94760, 95790, 103385, 107880, 119480, 124062, 127720, 137402, 142140, 146878, 165416, 179220, 185194, 191580, 206103, 206770, 220317, 248124, 274804, 277791, 284280, 293756, 310155, 343505, 358440, 367195, 370388, 383160, 412206, 413540, 440634, 462985, 496248, 549608, 555582, 587512, 620310, 687010, 734390, 740776, 824412, 827080, 881268, 925970, 1030515, 1101585, 1111164, 1240620, 1374020, 1388955, 1468780, 1648824, 1762536, 1851940, 2061030, 2129731, 2203170, 2222328, 2481240, 2748040, 2777910, 2937560, 3703880, 4122060, 4259462, 4406340, 5555820, 6389193, 8244120, 8518924, 8812680, 10648655, 11111640, 12778386, 17037848, 21297310, 25556772, 31945965, 42594620, 51113544, 63891930, 85189240, 127783860, 255567720]

約数ペア:

[(1, 255567720), (2, 127783860), (3, 85189240), (4, 63891930), (5, 51113544), (6, 42594620), (8, 31945965), (10, 25556772), (12, 21297310), (15, 17037848), (20, 12778386), (23, 11111640), (24, 10648655), (29, 8812680), (30, 8518924), (31, 8244120), (40, 6389193), (46, 5555820), (58, 4406340), (60, 4259462), (62, 4122060), (69, 3703880), (87, 2937560), (92, 2777910), (93, 2748040), (103, 2481240), (115, 2222328), (116, 2203170), (120, 2129731), (124, 2061030), (138, 1851940), (145, 1762536), (155, 1648824), (174, 1468780), (184, 1388955), (186, 1374020), (206, 1240620), (230, 1111164), (232, 1101585), (248, 1030515), (276, 925970), (290, 881268), (309, 827080), (310, 824412), (345, 740776), (348, 734390), (372, 687010), (412, 620310), (435, 587512), (460, 555582), (465, 549608), (515, 496248), (552, 462985), (580, 440634), (618, 413540), (620, 412206), (667, 383160), (690, 370388), (696, 367195), (713, 358440), (744, 343505), (824, 310155), (870, 293756), (899, 284280), (920, 277791), (930, 274804), (1030, 248124), (1160, 220317), (1236, 206770), (1240, 206103), (1334, 191580), (1380, 185194), (1426, 179220), (1545, 165416), (1740, 146878), (1798, 142140), (1860, 137402), (2001, 127720), (2060, 124062), (2139, 119480), (2369, 107880), (2472, 103385), (2668, 95790), (2697, 94760), (2760, 92597), (2852, 89610), (2987, 85560), (3090, 82708), (3193, 80040), (3335, 76632), (3480, 73439), (3565, 71688), (3596, 71070), (3720, 68701), (4002, 63860), (4120, 62031), (4278, 59740), (4495, 56856), (4738, 53940), (5336, 47895), (5394, 47380), (5704, 44805), (5974, 42780), (6180, 41354), (6386, 40020), (6670, 38316), (7107, 35960), (7130, 35844), (7192, 35535), (8004, 31930), (8556, 29870), (8961, 28520), (8990, 28428), (9476, 26970), (9579, 26680), (10005, 25544), (10695, 23896), (10788, 23690), (11845, 21576), (11948, 21390), (12360, 20677), (12772, 20010), (13340, 19158), (13485, 18952), (14214, 17980), (14260, 17922), (14935, 17112), (15965, 16008)]