318721440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:455

約数の個数: 192

約数和(自身を含む): 1074487680

約数和(自身を除く): 755766240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 139, 160, 170, 204, 240, 255, 272, 278, 281, 340, 408, 417, 480, 510, 544, 556, 562, 680, 695, 816, 834, 843, 1020, 1112, 1124, 1360, 1390, 1405, 1632, 1668, 1686, 2040, 2085, 2224, 2248, 2363, 2720, 2780, 2810, 3336, 3372, 4080, 4170, 4215, 4448, 4496, 4726, 4777, 5560, 5620, 6672, 6744, 7089, 8160, 8340, 8430, 8992, 9452, 9554, 11120, 11240, 11815, 13344, 13488, 14178, 14331, 16680, 16860, 18904, 19108, 22240, 22480, 23630, 23885, 26976, 28356, 28662, 33360, 33720, 35445, 37808, 38216, 39059, 44960, 47260, 47770, 56712, 57324, 66720, 67440, 70890, 71655, 75616, 76432, 78118, 94520, 95540, 113424, 114648, 117177, 134880, 141780, 143310, 152864, 156236, 189040, 191080, 195295, 226848, 229296, 234354, 283560, 286620, 312472, 378080, 382160, 390590, 458592, 468708, 567120, 573240, 585885, 624944, 664003, 764320, 781180, 937416, 1134240, 1146480, 1171770, 1249888, 1328006, 1562360, 1874832, 1992009, 2292960, 2343540, 2656012, 3124720, 3320015, 3749664, 3984018, 4687080, 5312024, 6249440, 6640030, 7968036, 9374160, 9960045, 10624048, 13280060, 15936072, 18748320, 19920090, 21248096, 26560120, 31872144, 39840180, 53120240, 63744288, 79680360, 106240480, 159360720, 318721440]

約数ペア:

[(1, 318721440), (2, 159360720), (3, 106240480), (4, 79680360), (5, 63744288), (6, 53120240), (8, 39840180), (10, 31872144), (12, 26560120), (15, 21248096), (16, 19920090), (17, 18748320), (20, 15936072), (24, 13280060), (30, 10624048), (32, 9960045), (34, 9374160), (40, 7968036), (48, 6640030), (51, 6249440), (60, 5312024), (68, 4687080), (80, 3984018), (85, 3749664), (96, 3320015), (102, 3124720), (120, 2656012), (136, 2343540), (139, 2292960), (160, 1992009), (170, 1874832), (204, 1562360), (240, 1328006), (255, 1249888), (272, 1171770), (278, 1146480), (281, 1134240), (340, 937416), (408, 781180), (417, 764320), (480, 664003), (510, 624944), (544, 585885), (556, 573240), (562, 567120), (680, 468708), (695, 458592), (816, 390590), (834, 382160), (843, 378080), (1020, 312472), (1112, 286620), (1124, 283560), (1360, 234354), (1390, 229296), (1405, 226848), (1632, 195295), (1668, 191080), (1686, 189040), (2040, 156236), (2085, 152864), (2224, 143310), (2248, 141780), (2363, 134880), (2720, 117177), (2780, 114648), (2810, 113424), (3336, 95540), (3372, 94520), (4080, 78118), (4170, 76432), (4215, 75616), (4448, 71655), (4496, 70890), (4726, 67440), (4777, 66720), (5560, 57324), (5620, 56712), (6672, 47770), (6744, 47260), (7089, 44960), (8160, 39059), (8340, 38216), (8430, 37808), (8992, 35445), (9452, 33720), (9554, 33360), (11120, 28662), (11240, 28356), (11815, 26976), (13344, 23885), (13488, 23630), (14178, 22480), (14331, 22240), (16680, 19108), (16860, 18904)]