305689440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:390

約数の個数: 288

約数和(自身を含む): 1151073504

約数和(自身を除く): 845384064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 49, 56, 60, 70, 80, 82, 84, 96, 98, 105, 112, 120, 123, 140, 147, 160, 164, 168, 196, 205, 210, 224, 240, 245, 246, 280, 287, 294, 317, 328, 336, 392, 410, 420, 480, 490, 492, 560, 574, 588, 615, 634, 656, 672, 735, 784, 820, 840, 861, 951, 980, 984, 1120, 1148, 1176, 1230, 1268, 1312, 1435, 1470, 1568, 1585, 1640, 1680, 1722, 1902, 1960, 1968, 2009, 2219, 2296, 2352, 2460, 2536, 2870, 2940, 3170, 3280, 3360, 3444, 3804, 3920, 3936, 4018, 4305, 4438, 4592, 4704, 4755, 4920, 5072, 5740, 5880, 6027, 6340, 6560, 6657, 6888, 7608, 7840, 8036, 8610, 8876, 9184, 9510, 9840, 10045, 10144, 11095, 11480, 11760, 12054, 12680, 12997, 13314, 13776, 15216, 15533, 16072, 17220, 17752, 19020, 19680, 20090, 22190, 22960, 23520, 24108, 25360, 25994, 26628, 27552, 30135, 30432, 31066, 32144, 33285, 34440, 35504, 38040, 38991, 40180, 44380, 45920, 46599, 48216, 50720, 51988, 53256, 60270, 62132, 64288, 64985, 66570, 68880, 71008, 76080, 77665, 77982, 80360, 88760, 90979, 93198, 96432, 103976, 106512, 120540, 124264, 129970, 133140, 137760, 152160, 155330, 155964, 160720, 177520, 181958, 186396, 192864, 194955, 207952, 213024, 232995, 241080, 248528, 259940, 266280, 272937, 310660, 311928, 321440, 355040, 363916, 372792, 389910, 415904, 454895, 465990, 482160, 497056, 519880, 532560, 545874, 621320, 623856, 636853, 727832, 745584, 779820, 909790, 931980, 964320, 1039760, 1065120, 1091748, 1242640, 1247712, 1273706, 1364685, 1455664, 1491168, 1559640, 1819580, 1863960, 1910559, 2079520, 2183496, 2485280, 2547412, 2729370, 2911328, 3119280, 3184265, 3639160, 3727920, 3821118, 4366992, 5094824, 5458740, 6238560, 6368530, 7278320, 7455840, 7642236, 8733984, 9552795, 10189648, 10917480, 12737060, 14556640, 15284472, 19105590, 20379296, 21834960, 25474120, 30568944, 38211180, 43669920, 50948240, 61137888, 76422360, 101896480, 152844720, 305689440]

約数ペア:

[(1, 305689440), (2, 152844720), (3, 101896480), (4, 76422360), (5, 61137888), (6, 50948240), (7, 43669920), (8, 38211180), (10, 30568944), (12, 25474120), (14, 21834960), (15, 20379296), (16, 19105590), (20, 15284472), (21, 14556640), (24, 12737060), (28, 10917480), (30, 10189648), (32, 9552795), (35, 8733984), (40, 7642236), (41, 7455840), (42, 7278320), (48, 6368530), (49, 6238560), (56, 5458740), (60, 5094824), (70, 4366992), (80, 3821118), (82, 3727920), (84, 3639160), (96, 3184265), (98, 3119280), (105, 2911328), (112, 2729370), (120, 2547412), (123, 2485280), (140, 2183496), (147, 2079520), (160, 1910559), (164, 1863960), (168, 1819580), (196, 1559640), (205, 1491168), (210, 1455664), (224, 1364685), (240, 1273706), (245, 1247712), (246, 1242640), (280, 1091748), (287, 1065120), (294, 1039760), (317, 964320), (328, 931980), (336, 909790), (392, 779820), (410, 745584), (420, 727832), (480, 636853), (490, 623856), (492, 621320), (560, 545874), (574, 532560), (588, 519880), (615, 497056), (634, 482160), (656, 465990), (672, 454895), (735, 415904), (784, 389910), (820, 372792), (840, 363916), (861, 355040), (951, 321440), (980, 311928), (984, 310660), (1120, 272937), (1148, 266280), (1176, 259940), (1230, 248528), (1268, 241080), (1312, 232995), (1435, 213024), (1470, 207952), (1568, 194955), (1585, 192864), (1640, 186396), (1680, 181958), (1722, 177520), (1902, 160720), (1960, 155964), (1968, 155330), (2009, 152160), (2219, 137760), (2296, 133140), (2352, 129970), (2460, 124264), (2536, 120540), (2870, 106512), (2940, 103976), (3170, 96432), (3280, 93198), (3360, 90979), (3444, 88760), (3804, 80360), (3920, 77982), (3936, 77665), (4018, 76080), (4305, 71008), (4438, 68880), (4592, 66570), (4704, 64985), (4755, 64288), (4920, 62132), (5072, 60270), (5740, 53256), (5880, 51988), (6027, 50720), (6340, 48216), (6560, 46599), (6657, 45920), (6888, 44380), (7608, 40180), (7840, 38991), (8036, 38040), (8610, 35504), (8876, 34440), (9184, 33285), (9510, 32144), (9840, 31066), (10045, 30432), (10144, 30135), (11095, 27552), (11480, 26628), (11760, 25994), (12054, 25360), (12680, 24108), (12997, 23520), (13314, 22960), (13776, 22190), (15216, 20090), (15533, 19680), (16072, 19020), (17220, 17752)]