257587680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2473}}^1$

素因数の和:2529

約数の個数: 192

約数和(自身を含む): 957616128

約数和(自身を除く): 700028448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 217, 224, 240, 248, 280, 310, 336, 372, 420, 434, 465, 480, 496, 560, 620, 651, 672, 744, 840, 868, 930, 992, 1085, 1120, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2473, 2480, 2604, 2976, 3255, 3360, 3472, 3720, 4340, 4946, 4960, 5208, 6510, 6944, 7419, 7440, 8680, 9892, 10416, 12365, 13020, 14838, 14880, 17311, 17360, 19784, 20832, 24730, 26040, 29676, 34622, 34720, 37095, 39568, 49460, 51933, 52080, 59352, 69244, 74190, 76663, 79136, 86555, 98920, 103866, 104160, 118704, 138488, 148380, 153326, 173110, 197840, 207732, 229989, 237408, 259665, 276976, 296760, 306652, 346220, 383315, 395680, 415464, 459978, 519330, 536641, 553952, 593520, 613304, 692440, 766630, 830928, 919956, 1038660, 1073282, 1149945, 1187040, 1226608, 1384880, 1533260, 1609923, 1661856, 1839912, 2077320, 2146564, 2299890, 2453216, 2683205, 2769760, 3066520, 3219846, 3679824, 4154640, 4293128, 4599780, 5366410, 6133040, 6439692, 7359648, 8049615, 8309280, 8586256, 9199560, 10732820, 12266080, 12879384, 16099230, 17172512, 18399120, 21465640, 25758768, 32198460, 36798240, 42931280, 51517536, 64396920, 85862560, 128793840, 257587680]

約数ペア:

[(1, 257587680), (2, 128793840), (3, 85862560), (4, 64396920), (5, 51517536), (6, 42931280), (7, 36798240), (8, 32198460), (10, 25758768), (12, 21465640), (14, 18399120), (15, 17172512), (16, 16099230), (20, 12879384), (21, 12266080), (24, 10732820), (28, 9199560), (30, 8586256), (31, 8309280), (32, 8049615), (35, 7359648), (40, 6439692), (42, 6133040), (48, 5366410), (56, 4599780), (60, 4293128), (62, 4154640), (70, 3679824), (80, 3219846), (84, 3066520), (93, 2769760), (96, 2683205), (105, 2453216), (112, 2299890), (120, 2146564), (124, 2077320), (140, 1839912), (155, 1661856), (160, 1609923), (168, 1533260), (186, 1384880), (210, 1226608), (217, 1187040), (224, 1149945), (240, 1073282), (248, 1038660), (280, 919956), (310, 830928), (336, 766630), (372, 692440), (420, 613304), (434, 593520), (465, 553952), (480, 536641), (496, 519330), (560, 459978), (620, 415464), (651, 395680), (672, 383315), (744, 346220), (840, 306652), (868, 296760), (930, 276976), (992, 259665), (1085, 237408), (1120, 229989), (1240, 207732), (1302, 197840), (1488, 173110), (1680, 153326), (1736, 148380), (1860, 138488), (2170, 118704), (2473, 104160), (2480, 103866), (2604, 98920), (2976, 86555), (3255, 79136), (3360, 76663), (3472, 74190), (3720, 69244), (4340, 59352), (4946, 52080), (4960, 51933), (5208, 49460), (6510, 39568), (6944, 37095), (7419, 34720), (7440, 34622), (8680, 29676), (9892, 26040), (10416, 24730), (12365, 20832), (13020, 19784), (14838, 17360), (14880, 17311)]