340306720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 192

約数和(自身を含む): 931392000

約数和(自身を除く): 591085280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 79, 80, 95, 104, 109, 130, 152, 158, 160, 190, 208, 218, 247, 260, 304, 316, 380, 395, 416, 436, 494, 520, 545, 608, 632, 760, 790, 872, 988, 1027, 1040, 1090, 1235, 1264, 1417, 1501, 1520, 1580, 1744, 1976, 2054, 2071, 2080, 2180, 2470, 2528, 2834, 3002, 3040, 3160, 3488, 3952, 4108, 4142, 4360, 4940, 5135, 5668, 6004, 6320, 7085, 7505, 7904, 8216, 8284, 8611, 8720, 9880, 10270, 10355, 11336, 12008, 12640, 14170, 15010, 16432, 16568, 17222, 17440, 19513, 19760, 20540, 20710, 22672, 24016, 26923, 28340, 30020, 32864, 33136, 34444, 39026, 39520, 41080, 41420, 43055, 45344, 48032, 53846, 56680, 60040, 66272, 68888, 78052, 82160, 82840, 86110, 97565, 107692, 111943, 113360, 120080, 134615, 137776, 156104, 163609, 164320, 165680, 172220, 195130, 215384, 223886, 226720, 240160, 269230, 275552, 312208, 327218, 331360, 344440, 390260, 430768, 447772, 538460, 559715, 624416, 654436, 688880, 780520, 818045, 861536, 895544, 1076920, 1119430, 1308872, 1377760, 1561040, 1636090, 1791088, 2126917, 2153840, 2238860, 2617744, 3122080, 3272180, 3582176, 4253834, 4307680, 4477720, 5235488, 6544360, 8507668, 8955440, 10634585, 13088720, 17015336, 17910880, 21269170, 26177440, 34030672, 42538340, 68061344, 85076680, 170153360, 340306720]

約数ペア:

[(1, 340306720), (2, 170153360), (4, 85076680), (5, 68061344), (8, 42538340), (10, 34030672), (13, 26177440), (16, 21269170), (19, 17910880), (20, 17015336), (26, 13088720), (32, 10634585), (38, 8955440), (40, 8507668), (52, 6544360), (65, 5235488), (76, 4477720), (79, 4307680), (80, 4253834), (95, 3582176), (104, 3272180), (109, 3122080), (130, 2617744), (152, 2238860), (158, 2153840), (160, 2126917), (190, 1791088), (208, 1636090), (218, 1561040), (247, 1377760), (260, 1308872), (304, 1119430), (316, 1076920), (380, 895544), (395, 861536), (416, 818045), (436, 780520), (494, 688880), (520, 654436), (545, 624416), (608, 559715), (632, 538460), (760, 447772), (790, 430768), (872, 390260), (988, 344440), (1027, 331360), (1040, 327218), (1090, 312208), (1235, 275552), (1264, 269230), (1417, 240160), (1501, 226720), (1520, 223886), (1580, 215384), (1744, 195130), (1976, 172220), (2054, 165680), (2071, 164320), (2080, 163609), (2180, 156104), (2470, 137776), (2528, 134615), (2834, 120080), (3002, 113360), (3040, 111943), (3160, 107692), (3488, 97565), (3952, 86110), (4108, 82840), (4142, 82160), (4360, 78052), (4940, 68888), (5135, 66272), (5668, 60040), (6004, 56680), (6320, 53846), (7085, 48032), (7505, 45344), (7904, 43055), (8216, 41420), (8284, 41080), (8611, 39520), (8720, 39026), (9880, 34444), (10270, 33136), (10355, 32864), (11336, 30020), (12008, 28340), (12640, 26923), (14170, 24016), (15010, 22672), (16432, 20710), (16568, 20540), (17222, 19760), (17440, 19513)]