390287520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1308

約数の個数: 288

約数和(自身を含む): 1572480000

約数和(自身を除く): 1182192480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 504, 558, 560, 620, 630, 651, 672, 720, 744, 840, 868, 930, 992, 1008, 1085, 1116, 1120, 1240, 1249, 1260, 1302, 1395, 1440, 1488, 1680, 1736, 1860, 1953, 2016, 2170, 2232, 2480, 2498, 2520, 2604, 2790, 2976, 3255, 3360, 3472, 3720, 3747, 3906, 4340, 4464, 4960, 4996, 5040, 5208, 5580, 6245, 6510, 6944, 7440, 7494, 7812, 8680, 8743, 8928, 9765, 9992, 10080, 10416, 11160, 11241, 12490, 13020, 14880, 14988, 15624, 17360, 17486, 18735, 19530, 19984, 20832, 22320, 22482, 24980, 26040, 26229, 29976, 31248, 34720, 34972, 37470, 38719, 39060, 39968, 43715, 44640, 44964, 49960, 52080, 52458, 56205, 59952, 62496, 69944, 74940, 77438, 78120, 78687, 87430, 89928, 99920, 104160, 104916, 112410, 116157, 119904, 131145, 139888, 149880, 154876, 156240, 157374, 174860, 179856, 193595, 199840, 209832, 224820, 232314, 262290, 271033, 279776, 299760, 309752, 312480, 314748, 348471, 349720, 359712, 387190, 393435, 419664, 449640, 464628, 524580, 542066, 580785, 599520, 619504, 629496, 696942, 699440, 774380, 786870, 813099, 839328, 899280, 929256, 1049160, 1084132, 1161570, 1239008, 1258992, 1355165, 1393884, 1398880, 1548760, 1573740, 1626198, 1742355, 1798560, 1858512, 2098320, 2168264, 2323140, 2439297, 2517984, 2710330, 2787768, 3097520, 3147480, 3252396, 3484710, 3717024, 4065495, 4196640, 4336528, 4646280, 4878594, 5420660, 5575536, 6195040, 6294960, 6504792, 6969420, 8130990, 8673056, 9292560, 9757188, 10841320, 11151072, 12196485, 12589920, 13009584, 13938840, 16261980, 18585120, 19514376, 21682640, 24392970, 26019168, 27877680, 32523960, 39028752, 43365280, 48785940, 55755360, 65047920, 78057504, 97571880, 130095840, 195143760, 390287520]

約数ペア:

[(1, 390287520), (2, 195143760), (3, 130095840), (4, 97571880), (5, 78057504), (6, 65047920), (7, 55755360), (8, 48785940), (9, 43365280), (10, 39028752), (12, 32523960), (14, 27877680), (15, 26019168), (16, 24392970), (18, 21682640), (20, 19514376), (21, 18585120), (24, 16261980), (28, 13938840), (30, 13009584), (31, 12589920), (32, 12196485), (35, 11151072), (36, 10841320), (40, 9757188), (42, 9292560), (45, 8673056), (48, 8130990), (56, 6969420), (60, 6504792), (62, 6294960), (63, 6195040), (70, 5575536), (72, 5420660), (80, 4878594), (84, 4646280), (90, 4336528), (93, 4196640), (96, 4065495), (105, 3717024), (112, 3484710), (120, 3252396), (124, 3147480), (126, 3097520), (140, 2787768), (144, 2710330), (155, 2517984), (160, 2439297), (168, 2323140), (180, 2168264), (186, 2098320), (210, 1858512), (217, 1798560), (224, 1742355), (240, 1626198), (248, 1573740), (252, 1548760), (279, 1398880), (280, 1393884), (288, 1355165), (310, 1258992), (315, 1239008), (336, 1161570), (360, 1084132), (372, 1049160), (420, 929256), (434, 899280), (465, 839328), (480, 813099), (496, 786870), (504, 774380), (558, 699440), (560, 696942), (620, 629496), (630, 619504), (651, 599520), (672, 580785), (720, 542066), (744, 524580), (840, 464628), (868, 449640), (930, 419664), (992, 393435), (1008, 387190), (1085, 359712), (1116, 349720), (1120, 348471), (1240, 314748), (1249, 312480), (1260, 309752), (1302, 299760), (1395, 279776), (1440, 271033), (1488, 262290), (1680, 232314), (1736, 224820), (1860, 209832), (1953, 199840), (2016, 193595), (2170, 179856), (2232, 174860), (2480, 157374), (2498, 156240), (2520, 154876), (2604, 149880), (2790, 139888), (2976, 131145), (3255, 119904), (3360, 116157), (3472, 112410), (3720, 104916), (3747, 104160), (3906, 99920), (4340, 89928), (4464, 87430), (4960, 78687), (4996, 78120), (5040, 77438), (5208, 74940), (5580, 69944), (6245, 62496), (6510, 59952), (6944, 56205), (7440, 52458), (7494, 52080), (7812, 49960), (8680, 44964), (8743, 44640), (8928, 43715), (9765, 39968), (9992, 39060), (10080, 38719), (10416, 37470), (11160, 34972), (11241, 34720), (12490, 31248), (13020, 29976), (14880, 26229), (14988, 26040), (15624, 24980), (17360, 22482), (17486, 22320), (18735, 20832), (19530, 19984)]