217376460

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:718

約数の個数: 240

約数和(自身を含む): 807428160

約数和(自身を除く): 590051700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 81, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 162, 174, 180, 189, 203, 210, 252, 261, 270, 290, 315, 324, 348, 378, 405, 406, 420, 435, 522, 540, 567, 580, 609, 630, 661, 756, 783, 810, 812, 870, 945, 1015, 1044, 1134, 1218, 1260, 1305, 1322, 1566, 1620, 1740, 1827, 1890, 1983, 2030, 2268, 2349, 2436, 2610, 2644, 2835, 3045, 3132, 3305, 3654, 3780, 3915, 3966, 4060, 4627, 4698, 5220, 5481, 5670, 5949, 6090, 6610, 7308, 7830, 7932, 9135, 9254, 9396, 9915, 10962, 11340, 11745, 11898, 12180, 13220, 13881, 15660, 16443, 17847, 18270, 18508, 19169, 19830, 21924, 23135, 23490, 23796, 27405, 27762, 29745, 32886, 35694, 36540, 38338, 39660, 41643, 46270, 46980, 53541, 54810, 55524, 57507, 59490, 65772, 69405, 71388, 76676, 82215, 83286, 89235, 92540, 95845, 107082, 109620, 115014, 118980, 124929, 134183, 138810, 164430, 166572, 172521, 178470, 191690, 208215, 214164, 230028, 249858, 267705, 268366, 277620, 287535, 328860, 345042, 356940, 374787, 383380, 402549, 416430, 499716, 517563, 535410, 536732, 575070, 624645, 670915, 690084, 749574, 805098, 832860, 862605, 1035126, 1070820, 1150140, 1207647, 1249290, 1341830, 1499148, 1552689, 1610196, 1725210, 1873935, 2012745, 2070252, 2415294, 2498580, 2587815, 2683660, 3105378, 3450420, 3622941, 3747870, 4025490, 4830588, 5175630, 6038235, 6210756, 7245882, 7495740, 7763445, 8050980, 10351260, 10868823, 12076470, 14491764, 15526890, 18114705, 21737646, 24152940, 31053780, 36229410, 43475292, 54344115, 72458820, 108688230, 217376460]

約数ペア:

[(1, 217376460), (2, 108688230), (3, 72458820), (4, 54344115), (5, 43475292), (6, 36229410), (7, 31053780), (9, 24152940), (10, 21737646), (12, 18114705), (14, 15526890), (15, 14491764), (18, 12076470), (20, 10868823), (21, 10351260), (27, 8050980), (28, 7763445), (29, 7495740), (30, 7245882), (35, 6210756), (36, 6038235), (42, 5175630), (45, 4830588), (54, 4025490), (58, 3747870), (60, 3622941), (63, 3450420), (70, 3105378), (81, 2683660), (84, 2587815), (87, 2498580), (90, 2415294), (105, 2070252), (108, 2012745), (116, 1873935), (126, 1725210), (135, 1610196), (140, 1552689), (145, 1499148), (162, 1341830), (174, 1249290), (180, 1207647), (189, 1150140), (203, 1070820), (210, 1035126), (252, 862605), (261, 832860), (270, 805098), (290, 749574), (315, 690084), (324, 670915), (348, 624645), (378, 575070), (405, 536732), (406, 535410), (420, 517563), (435, 499716), (522, 416430), (540, 402549), (567, 383380), (580, 374787), (609, 356940), (630, 345042), (661, 328860), (756, 287535), (783, 277620), (810, 268366), (812, 267705), (870, 249858), (945, 230028), (1015, 214164), (1044, 208215), (1134, 191690), (1218, 178470), (1260, 172521), (1305, 166572), (1322, 164430), (1566, 138810), (1620, 134183), (1740, 124929), (1827, 118980), (1890, 115014), (1983, 109620), (2030, 107082), (2268, 95845), (2349, 92540), (2436, 89235), (2610, 83286), (2644, 82215), (2835, 76676), (3045, 71388), (3132, 69405), (3305, 65772), (3654, 59490), (3780, 57507), (3915, 55524), (3966, 54810), (4060, 53541), (4627, 46980), (4698, 46270), (5220, 41643), (5481, 39660), (5670, 38338), (5949, 36540), (6090, 35694), (6610, 32886), (7308, 29745), (7830, 27762), (7932, 27405), (9135, 23796), (9254, 23490), (9396, 23135), (9915, 21924), (10962, 19830), (11340, 19169), (11745, 18508), (11898, 18270), (12180, 17847), (13220, 16443), (13881, 15660)]