217128240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:736

約数の個数: 240

約数和(自身を含む): 847112448

約数和(自身を除く): 629984208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 67, 70, 72, 80, 84, 90, 105, 112, 120, 126, 134, 140, 144, 168, 180, 201, 210, 240, 252, 268, 280, 315, 335, 336, 360, 402, 420, 469, 504, 536, 560, 603, 630, 643, 670, 720, 804, 840, 938, 1005, 1008, 1072, 1206, 1260, 1286, 1340, 1407, 1608, 1680, 1876, 1929, 2010, 2345, 2412, 2520, 2572, 2680, 2814, 3015, 3215, 3216, 3752, 3858, 4020, 4221, 4501, 4690, 4824, 5040, 5144, 5360, 5628, 5787, 6030, 6430, 7035, 7504, 7716, 8040, 8442, 9002, 9380, 9645, 9648, 10288, 11256, 11574, 12060, 12860, 13503, 14070, 15432, 16080, 16884, 18004, 18760, 19290, 21105, 22505, 22512, 23148, 24120, 25720, 27006, 28140, 28935, 30864, 33768, 36008, 37520, 38580, 40509, 42210, 43081, 45010, 46296, 48240, 51440, 54012, 56280, 57870, 67515, 67536, 72016, 77160, 81018, 84420, 86162, 90020, 92592, 108024, 112560, 115740, 129243, 135030, 154320, 162036, 168840, 172324, 180040, 202545, 215405, 216048, 231480, 258486, 270060, 301567, 324072, 337680, 344648, 360080, 387729, 405090, 430810, 462960, 516972, 540120, 603134, 646215, 648144, 689296, 775458, 810180, 861620, 904701, 1033944, 1080240, 1206268, 1292430, 1507835, 1550916, 1620360, 1723240, 1809402, 1938645, 2067888, 2412536, 2584860, 2714103, 3015670, 3101832, 3240720, 3446480, 3618804, 3877290, 4523505, 4825072, 5169720, 5428206, 6031340, 6203664, 7237608, 7754580, 9047010, 10339440, 10856412, 12062680, 13570515, 14475216, 15509160, 18094020, 21712824, 24125360, 27141030, 31018320, 36188040, 43425648, 54282060, 72376080, 108564120, 217128240]

約数ペア:

[(1, 217128240), (2, 108564120), (3, 72376080), (4, 54282060), (5, 43425648), (6, 36188040), (7, 31018320), (8, 27141030), (9, 24125360), (10, 21712824), (12, 18094020), (14, 15509160), (15, 14475216), (16, 13570515), (18, 12062680), (20, 10856412), (21, 10339440), (24, 9047010), (28, 7754580), (30, 7237608), (35, 6203664), (36, 6031340), (40, 5428206), (42, 5169720), (45, 4825072), (48, 4523505), (56, 3877290), (60, 3618804), (63, 3446480), (67, 3240720), (70, 3101832), (72, 3015670), (80, 2714103), (84, 2584860), (90, 2412536), (105, 2067888), (112, 1938645), (120, 1809402), (126, 1723240), (134, 1620360), (140, 1550916), (144, 1507835), (168, 1292430), (180, 1206268), (201, 1080240), (210, 1033944), (240, 904701), (252, 861620), (268, 810180), (280, 775458), (315, 689296), (335, 648144), (336, 646215), (360, 603134), (402, 540120), (420, 516972), (469, 462960), (504, 430810), (536, 405090), (560, 387729), (603, 360080), (630, 344648), (643, 337680), (670, 324072), (720, 301567), (804, 270060), (840, 258486), (938, 231480), (1005, 216048), (1008, 215405), (1072, 202545), (1206, 180040), (1260, 172324), (1286, 168840), (1340, 162036), (1407, 154320), (1608, 135030), (1680, 129243), (1876, 115740), (1929, 112560), (2010, 108024), (2345, 92592), (2412, 90020), (2520, 86162), (2572, 84420), (2680, 81018), (2814, 77160), (3015, 72016), (3215, 67536), (3216, 67515), (3752, 57870), (3858, 56280), (4020, 54012), (4221, 51440), (4501, 48240), (4690, 46296), (4824, 45010), (5040, 43081), (5144, 42210), (5360, 40509), (5628, 38580), (5787, 37520), (6030, 36008), (6430, 33768), (7035, 30864), (7504, 28935), (7716, 28140), (8040, 27006), (8442, 25720), (9002, 24120), (9380, 23148), (9645, 22512), (9648, 22505), (10288, 21105), (11256, 19290), (11574, 18760), (12060, 18004), (12860, 16884), (13503, 16080), (14070, 15432)]