313981920

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{3461}}^1$

素因数の和:3495

約数の個数: 240

約数和(自身を含む): 1266759648

約数和(自身を除く): 952777728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3461, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 6922, 7560, 9072, 10080, 10383, 11340, 12960, 13844, 15120, 17305, 18144, 20766, 22680, 24227, 27688, 30240, 31149, 34610, 41532, 45360, 48454, 51915, 55376, 62298, 69220, 72681, 83064, 90720, 93447, 96908, 103830, 110752, 121135, 124596, 138440, 145362, 155745, 166128, 186894, 193816, 207660, 218043, 242270, 249192, 276880, 280341, 290724, 311490, 332256, 363405, 373788, 387632, 415320, 436086, 467235, 484540, 498384, 553760, 560682, 581448, 622980, 654129, 726810, 747576, 775264, 830640, 872172, 934470, 969080, 996768, 1090215, 1121364, 1162896, 1245960, 1308258, 1401705, 1453620, 1495152, 1661280, 1744344, 1868940, 1938160, 1962387, 2180430, 2242728, 2325792, 2491920, 2616516, 2803410, 2907240, 2990304, 3270645, 3488688, 3737880, 3876320, 3924774, 4360860, 4485456, 4983840, 5233032, 5606820, 5814480, 6541290, 6977376, 7475760, 7849548, 8721720, 8970912, 9811935, 10466064, 11213640, 11628960, 13082580, 14951520, 15699096, 17443440, 19623870, 20932128, 22427280, 26165160, 31398192, 34886880, 39247740, 44854560, 52330320, 62796384, 78495480, 104660640, 156990960, 313981920]

約数ペア:

[(1, 313981920), (2, 156990960), (3, 104660640), (4, 78495480), (5, 62796384), (6, 52330320), (7, 44854560), (8, 39247740), (9, 34886880), (10, 31398192), (12, 26165160), (14, 22427280), (15, 20932128), (16, 19623870), (18, 17443440), (20, 15699096), (21, 14951520), (24, 13082580), (27, 11628960), (28, 11213640), (30, 10466064), (32, 9811935), (35, 8970912), (36, 8721720), (40, 7849548), (42, 7475760), (45, 6977376), (48, 6541290), (54, 5814480), (56, 5606820), (60, 5233032), (63, 4983840), (70, 4485456), (72, 4360860), (80, 3924774), (81, 3876320), (84, 3737880), (90, 3488688), (96, 3270645), (105, 2990304), (108, 2907240), (112, 2803410), (120, 2616516), (126, 2491920), (135, 2325792), (140, 2242728), (144, 2180430), (160, 1962387), (162, 1938160), (168, 1868940), (180, 1744344), (189, 1661280), (210, 1495152), (216, 1453620), (224, 1401705), (240, 1308258), (252, 1245960), (270, 1162896), (280, 1121364), (288, 1090215), (315, 996768), (324, 969080), (336, 934470), (360, 872172), (378, 830640), (405, 775264), (420, 747576), (432, 726810), (480, 654129), (504, 622980), (540, 581448), (560, 560682), (567, 553760), (630, 498384), (648, 484540), (672, 467235), (720, 436086), (756, 415320), (810, 387632), (840, 373788), (864, 363405), (945, 332256), (1008, 311490), (1080, 290724), (1120, 280341), (1134, 276880), (1260, 249192), (1296, 242270), (1440, 218043), (1512, 207660), (1620, 193816), (1680, 186894), (1890, 166128), (2016, 155745), (2160, 145362), (2268, 138440), (2520, 124596), (2592, 121135), (2835, 110752), (3024, 103830), (3240, 96908), (3360, 93447), (3461, 90720), (3780, 83064), (4320, 72681), (4536, 69220), (5040, 62298), (5670, 55376), (6048, 51915), (6480, 48454), (6922, 45360), (7560, 41532), (9072, 34610), (10080, 31149), (10383, 30240), (11340, 27688), (12960, 24227), (13844, 22680), (15120, 20766), (17305, 18144)]