261355680

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{599}}^1$

素因数の和:724

約数の個数: 192

約数和(自身を含む): 925344000

約数和(自身を除く): 663988320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 101, 108, 120, 135, 144, 160, 180, 202, 216, 240, 270, 288, 303, 360, 404, 432, 480, 505, 540, 599, 606, 720, 808, 864, 909, 1010, 1080, 1198, 1212, 1440, 1515, 1616, 1797, 1818, 2020, 2160, 2396, 2424, 2727, 2995, 3030, 3232, 3594, 3636, 4040, 4320, 4545, 4792, 4848, 5391, 5454, 5990, 6060, 7188, 7272, 8080, 8985, 9090, 9584, 9696, 10782, 10908, 11980, 12120, 13635, 14376, 14544, 16160, 16173, 17970, 18180, 19168, 21564, 21816, 23960, 24240, 26955, 27270, 28752, 29088, 32346, 35940, 36360, 43128, 43632, 47920, 48480, 53910, 54540, 57504, 60499, 64692, 71880, 72720, 80865, 86256, 87264, 95840, 107820, 109080, 120998, 129384, 143760, 145440, 161730, 172512, 181497, 215640, 218160, 241996, 258768, 287520, 302495, 323460, 362994, 431280, 436320, 483992, 517536, 544491, 604990, 646920, 725988, 862560, 907485, 967984, 1088982, 1209980, 1293840, 1451976, 1633473, 1814970, 1935968, 2177964, 2419960, 2587680, 2722455, 2903952, 3266946, 3629940, 4355928, 4839920, 5444910, 5807904, 6533892, 7259880, 8167365, 8711856, 9679840, 10889820, 13067784, 14519760, 16334730, 17423712, 21779640, 26135568, 29039520, 32669460, 43559280, 52271136, 65338920, 87118560, 130677840, 261355680]

約数ペア:

[(1, 261355680), (2, 130677840), (3, 87118560), (4, 65338920), (5, 52271136), (6, 43559280), (8, 32669460), (9, 29039520), (10, 26135568), (12, 21779640), (15, 17423712), (16, 16334730), (18, 14519760), (20, 13067784), (24, 10889820), (27, 9679840), (30, 8711856), (32, 8167365), (36, 7259880), (40, 6533892), (45, 5807904), (48, 5444910), (54, 4839920), (60, 4355928), (72, 3629940), (80, 3266946), (90, 2903952), (96, 2722455), (101, 2587680), (108, 2419960), (120, 2177964), (135, 1935968), (144, 1814970), (160, 1633473), (180, 1451976), (202, 1293840), (216, 1209980), (240, 1088982), (270, 967984), (288, 907485), (303, 862560), (360, 725988), (404, 646920), (432, 604990), (480, 544491), (505, 517536), (540, 483992), (599, 436320), (606, 431280), (720, 362994), (808, 323460), (864, 302495), (909, 287520), (1010, 258768), (1080, 241996), (1198, 218160), (1212, 215640), (1440, 181497), (1515, 172512), (1616, 161730), (1797, 145440), (1818, 143760), (2020, 129384), (2160, 120998), (2396, 109080), (2424, 107820), (2727, 95840), (2995, 87264), (3030, 86256), (3232, 80865), (3594, 72720), (3636, 71880), (4040, 64692), (4320, 60499), (4545, 57504), (4792, 54540), (4848, 53910), (5391, 48480), (5454, 47920), (5990, 43632), (6060, 43128), (7188, 36360), (7272, 35940), (8080, 32346), (8985, 29088), (9090, 28752), (9584, 27270), (9696, 26955), (10782, 24240), (10908, 23960), (11980, 21816), (12120, 21564), (13635, 19168), (14376, 18180), (14544, 17970), (16160, 16173)]