254291520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:585

約数の個数: 224

約数和(自身を含む): 936345600

約数和(自身を除く): 682054080

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, 79, 80, 84, 96, 105, 112, 120, 140, 158, 160, 168, 192, 210, 224, 237, 240, 280, 316, 320, 336, 395, 420, 448, 474, 479, 480, 553, 560, 632, 672, 790, 840, 948, 958, 960, 1106, 1120, 1185, 1264, 1344, 1437, 1580, 1659, 1680, 1896, 1916, 2212, 2240, 2370, 2395, 2528, 2765, 2874, 3160, 3318, 3353, 3360, 3792, 3832, 4424, 4740, 4790, 5056, 5530, 5748, 6320, 6636, 6706, 6720, 7185, 7584, 7664, 8295, 8848, 9480, 9580, 10059, 11060, 11496, 12640, 13272, 13412, 14370, 15168, 15328, 16590, 16765, 17696, 18960, 19160, 20118, 22120, 22992, 25280, 26544, 26824, 28740, 30656, 33180, 33530, 35392, 37841, 37920, 38320, 40236, 44240, 45984, 50295, 53088, 53648, 57480, 66360, 67060, 75682, 75840, 76640, 80472, 88480, 91968, 100590, 106176, 107296, 113523, 114960, 132720, 134120, 151364, 153280, 160944, 176960, 189205, 201180, 214592, 227046, 229920, 264887, 265440, 268240, 302728, 321888, 378410, 402360, 454092, 459840, 529774, 530880, 536480, 567615, 605456, 643776, 756820, 794661, 804720, 908184, 1059548, 1072960, 1135230, 1210912, 1324435, 1513640, 1589322, 1609440, 1816368, 2119096, 2270460, 2421824, 2648870, 3027280, 3178644, 3218880, 3632736, 3973305, 4238192, 4540920, 5297740, 6054560, 6357288, 7265472, 7946610, 8476384, 9081840, 10595480, 12109120, 12714576, 15893220, 16952768, 18163680, 21190960, 25429152, 31786440, 36327360, 42381920, 50858304, 63572880, 84763840, 127145760, 254291520]

約数ペア:

[(1, 254291520), (2, 127145760), (3, 84763840), (4, 63572880), (5, 50858304), (6, 42381920), (7, 36327360), (8, 31786440), (10, 25429152), (12, 21190960), (14, 18163680), (15, 16952768), (16, 15893220), (20, 12714576), (21, 12109120), (24, 10595480), (28, 9081840), (30, 8476384), (32, 7946610), (35, 7265472), (40, 6357288), (42, 6054560), (48, 5297740), (56, 4540920), (60, 4238192), (64, 3973305), (70, 3632736), (79, 3218880), (80, 3178644), (84, 3027280), (96, 2648870), (105, 2421824), (112, 2270460), (120, 2119096), (140, 1816368), (158, 1609440), (160, 1589322), (168, 1513640), (192, 1324435), (210, 1210912), (224, 1135230), (237, 1072960), (240, 1059548), (280, 908184), (316, 804720), (320, 794661), (336, 756820), (395, 643776), (420, 605456), (448, 567615), (474, 536480), (479, 530880), (480, 529774), (553, 459840), (560, 454092), (632, 402360), (672, 378410), (790, 321888), (840, 302728), (948, 268240), (958, 265440), (960, 264887), (1106, 229920), (1120, 227046), (1185, 214592), (1264, 201180), (1344, 189205), (1437, 176960), (1580, 160944), (1659, 153280), (1680, 151364), (1896, 134120), (1916, 132720), (2212, 114960), (2240, 113523), (2370, 107296), (2395, 106176), (2528, 100590), (2765, 91968), (2874, 88480), (3160, 80472), (3318, 76640), (3353, 75840), (3360, 75682), (3792, 67060), (3832, 66360), (4424, 57480), (4740, 53648), (4790, 53088), (5056, 50295), (5530, 45984), (5748, 44240), (6320, 40236), (6636, 38320), (6706, 37920), (6720, 37841), (7185, 35392), (7584, 33530), (7664, 33180), (8295, 30656), (8848, 28740), (9480, 26824), (9580, 26544), (10059, 25280), (11060, 22992), (11496, 22120), (12640, 20118), (13272, 19160), (13412, 18960), (14370, 17696), (15168, 16765), (15328, 16590)]