1242857520

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:343

約数の個数: 280

約数和(自身を含む): 4396115952

約数和(自身を除く): 3153258432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 101, 108, 120, 135, 144, 162, 180, 202, 211, 216, 240, 243, 270, 303, 324, 360, 404, 405, 422, 432, 486, 505, 540, 606, 633, 648, 720, 729, 808, 810, 844, 909, 972, 1010, 1055, 1080, 1212, 1215, 1266, 1296, 1458, 1515, 1616, 1620, 1688, 1818, 1899, 1944, 2020, 2110, 2160, 2424, 2430, 2532, 2727, 2916, 3030, 3165, 3240, 3376, 3636, 3645, 3798, 3888, 4040, 4220, 4545, 4848, 4860, 5064, 5454, 5697, 5832, 6060, 6330, 6480, 7272, 7290, 7596, 8080, 8181, 8440, 9090, 9495, 9720, 10128, 10908, 11394, 11664, 12120, 12660, 13635, 14544, 14580, 15192, 16362, 16880, 17091, 18180, 18990, 19440, 21311, 21816, 22788, 24240, 24543, 25320, 27270, 28485, 29160, 30384, 32724, 34182, 36360, 37980, 40905, 42622, 43632, 45576, 49086, 50640, 51273, 54540, 56970, 58320, 63933, 65448, 68364, 72720, 73629, 75960, 81810, 85244, 85455, 91152, 98172, 102546, 106555, 109080, 113940, 122715, 127866, 130896, 136728, 147258, 151920, 153819, 163620, 170488, 170910, 191799, 196344, 205092, 213110, 218160, 227880, 245430, 255732, 256365, 273456, 294516, 307638, 319665, 327240, 340976, 341820, 368145, 383598, 392688, 410184, 426220, 455760, 490860, 511464, 512730, 575397, 589032, 615276, 639330, 654480, 683640, 736290, 767196, 769095, 820368, 852440, 958995, 981720, 1022928, 1025460, 1150794, 1178064, 1230552, 1278660, 1367280, 1472580, 1534392, 1538190, 1704880, 1726191, 1917990, 1963440, 2050920, 2301588, 2461104, 2557320, 2876985, 2945160, 3068784, 3076380, 3452382, 3835980, 4101840, 4603176, 5114640, 5178573, 5753970, 5890320, 6152760, 6904764, 7671960, 8630955, 9206352, 10357146, 11507940, 12305520, 13809528, 15343920, 15535719, 17261910, 20714292, 23015880, 25892865, 27619056, 31071438, 34523820, 41428584, 46031760, 51785730, 62142876, 69047640, 77678595, 82857168, 103571460, 124285752, 138095280, 155357190, 207142920, 248571504, 310714380, 414285840, 621428760, 1242857520]

約数ペア:

[(1, 1242857520), (2, 621428760), (3, 414285840), (4, 310714380), (5, 248571504), (6, 207142920), (8, 155357190), (9, 138095280), (10, 124285752), (12, 103571460), (15, 82857168), (16, 77678595), (18, 69047640), (20, 62142876), (24, 51785730), (27, 46031760), (30, 41428584), (36, 34523820), (40, 31071438), (45, 27619056), (48, 25892865), (54, 23015880), (60, 20714292), (72, 17261910), (80, 15535719), (81, 15343920), (90, 13809528), (101, 12305520), (108, 11507940), (120, 10357146), (135, 9206352), (144, 8630955), (162, 7671960), (180, 6904764), (202, 6152760), (211, 5890320), (216, 5753970), (240, 5178573), (243, 5114640), (270, 4603176), (303, 4101840), (324, 3835980), (360, 3452382), (404, 3076380), (405, 3068784), (422, 2945160), (432, 2876985), (486, 2557320), (505, 2461104), (540, 2301588), (606, 2050920), (633, 1963440), (648, 1917990), (720, 1726191), (729, 1704880), (808, 1538190), (810, 1534392), (844, 1472580), (909, 1367280), (972, 1278660), (1010, 1230552), (1055, 1178064), (1080, 1150794), (1212, 1025460), (1215, 1022928), (1266, 981720), (1296, 958995), (1458, 852440), (1515, 820368), (1616, 769095), (1620, 767196), (1688, 736290), (1818, 683640), (1899, 654480), (1944, 639330), (2020, 615276), (2110, 589032), (2160, 575397), (2424, 512730), (2430, 511464), (2532, 490860), (2727, 455760), (2916, 426220), (3030, 410184), (3165, 392688), (3240, 383598), (3376, 368145), (3636, 341820), (3645, 340976), (3798, 327240), (3888, 319665), (4040, 307638), (4220, 294516), (4545, 273456), (4848, 256365), (4860, 255732), (5064, 245430), (5454, 227880), (5697, 218160), (5832, 213110), (6060, 205092), (6330, 196344), (6480, 191799), (7272, 170910), (7290, 170488), (7596, 163620), (8080, 153819), (8181, 151920), (8440, 147258), (9090, 136728), (9495, 130896), (9720, 127866), (10128, 122715), (10908, 113940), (11394, 109080), (11664, 106555), (12120, 102546), (12660, 98172), (13635, 91152), (14544, 85455), (14580, 85244), (15192, 81810), (16362, 75960), (16880, 73629), (17091, 72720), (18180, 68364), (18990, 65448), (19440, 63933), (21311, 58320), (21816, 56970), (22788, 54540), (24240, 51273), (24543, 50640), (25320, 49086), (27270, 45576), (28485, 43632), (29160, 42622), (30384, 40905), (32724, 37980), (34182, 36360)]