215784240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:400

約数の個数: 240

約数和(自身を含む): 793877760

約数和(自身を除く): 578093520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 59, 60, 70, 80, 84, 98, 105, 112, 118, 120, 140, 147, 168, 177, 196, 210, 236, 240, 245, 280, 294, 295, 311, 336, 354, 392, 413, 420, 472, 490, 560, 588, 590, 622, 708, 735, 784, 826, 840, 885, 933, 944, 980, 1176, 1180, 1239, 1244, 1416, 1470, 1555, 1652, 1680, 1770, 1866, 1960, 2065, 2177, 2352, 2360, 2478, 2488, 2832, 2891, 2940, 3110, 3304, 3540, 3732, 3920, 4130, 4354, 4665, 4720, 4956, 4976, 5782, 5880, 6195, 6220, 6531, 6608, 7080, 7464, 8260, 8673, 8708, 9330, 9912, 10885, 11564, 11760, 12390, 12440, 13062, 14160, 14455, 14928, 15239, 16520, 17346, 17416, 18349, 18660, 19824, 21770, 23128, 24780, 24880, 26124, 28910, 30478, 32655, 33040, 34692, 34832, 36698, 37320, 43365, 43540, 45717, 46256, 49560, 52248, 55047, 57820, 60956, 65310, 69384, 73396, 74640, 76195, 86730, 87080, 91434, 91745, 99120, 104496, 110094, 115640, 121912, 128443, 130620, 138768, 146792, 152390, 173460, 174160, 182868, 183490, 220188, 228585, 231280, 243824, 256886, 261240, 275235, 293584, 304780, 346920, 365736, 366980, 385329, 440376, 457170, 513772, 522480, 550470, 609560, 642215, 693840, 731472, 733960, 770658, 880752, 899101, 914340, 1027544, 1100940, 1219120, 1284430, 1467920, 1541316, 1798202, 1828680, 1926645, 2055088, 2201880, 2568860, 2697303, 3082632, 3596404, 3657360, 3853290, 4403760, 4495505, 5137720, 5394606, 6165264, 7192808, 7706580, 8991010, 10275440, 10789212, 13486515, 14385616, 15413160, 17982020, 21578424, 26973030, 30826320, 35964040, 43156848, 53946060, 71928080, 107892120, 215784240]

約数ペア:

[(1, 215784240), (2, 107892120), (3, 71928080), (4, 53946060), (5, 43156848), (6, 35964040), (7, 30826320), (8, 26973030), (10, 21578424), (12, 17982020), (14, 15413160), (15, 14385616), (16, 13486515), (20, 10789212), (21, 10275440), (24, 8991010), (28, 7706580), (30, 7192808), (35, 6165264), (40, 5394606), (42, 5137720), (48, 4495505), (49, 4403760), (56, 3853290), (59, 3657360), (60, 3596404), (70, 3082632), (80, 2697303), (84, 2568860), (98, 2201880), (105, 2055088), (112, 1926645), (118, 1828680), (120, 1798202), (140, 1541316), (147, 1467920), (168, 1284430), (177, 1219120), (196, 1100940), (210, 1027544), (236, 914340), (240, 899101), (245, 880752), (280, 770658), (294, 733960), (295, 731472), (311, 693840), (336, 642215), (354, 609560), (392, 550470), (413, 522480), (420, 513772), (472, 457170), (490, 440376), (560, 385329), (588, 366980), (590, 365736), (622, 346920), (708, 304780), (735, 293584), (784, 275235), (826, 261240), (840, 256886), (885, 243824), (933, 231280), (944, 228585), (980, 220188), (1176, 183490), (1180, 182868), (1239, 174160), (1244, 173460), (1416, 152390), (1470, 146792), (1555, 138768), (1652, 130620), (1680, 128443), (1770, 121912), (1866, 115640), (1960, 110094), (2065, 104496), (2177, 99120), (2352, 91745), (2360, 91434), (2478, 87080), (2488, 86730), (2832, 76195), (2891, 74640), (2940, 73396), (3110, 69384), (3304, 65310), (3540, 60956), (3732, 57820), (3920, 55047), (4130, 52248), (4354, 49560), (4665, 46256), (4720, 45717), (4956, 43540), (4976, 43365), (5782, 37320), (5880, 36698), (6195, 34832), (6220, 34692), (6531, 33040), (6608, 32655), (7080, 30478), (7464, 28910), (8260, 26124), (8673, 24880), (8708, 24780), (9330, 23128), (9912, 21770), (10885, 19824), (11564, 18660), (11760, 18349), (12390, 17416), (12440, 17346), (13062, 16520), (14160, 15239), (14455, 14928)]