7718171520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{2017}}^1$

素因数の和:4032

約数の個数: 128

約数和(自身を含む): 24626219040

約数和(自身を除く): 16908047520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 1993, 2017, 3986, 4034, 5979, 6051, 7972, 8068, 9965, 10085, 11958, 12102, 15944, 16136, 19930, 20170, 23916, 24204, 29895, 30255, 31888, 32272, 39860, 40340, 47832, 48408, 59790, 60510, 63776, 64544, 79720, 80680, 95664, 96816, 119580, 121020, 127552, 129088, 159440, 161360, 191328, 193632, 239160, 242040, 255104, 258176, 318880, 322720, 382656, 387264, 478320, 484080, 637760, 645440, 765312, 774528, 956640, 968160, 1275520, 1290880, 1913280, 1936320, 3826560, 3872640, 4019881, 8039762, 12059643, 16079524, 20099405, 24119286, 32159048, 40198810, 48238572, 60298215, 64318096, 80397620, 96477144, 120596430, 128636192, 160795240, 192954288, 241192860, 257272384, 321590480, 385908576, 482385720, 514544768, 643180960, 771817152, 964771440, 1286361920, 1543634304, 1929542880, 2572723840, 3859085760, 7718171520]

約数ペア:

[(1, 7718171520), (2, 3859085760), (3, 2572723840), (4, 1929542880), (5, 1543634304), (6, 1286361920), (8, 964771440), (10, 771817152), (12, 643180960), (15, 514544768), (16, 482385720), (20, 385908576), (24, 321590480), (30, 257272384), (32, 241192860), (40, 192954288), (48, 160795240), (60, 128636192), (64, 120596430), (80, 96477144), (96, 80397620), (120, 64318096), (128, 60298215), (160, 48238572), (192, 40198810), (240, 32159048), (320, 24119286), (384, 20099405), (480, 16079524), (640, 12059643), (960, 8039762), (1920, 4019881), (1993, 3872640), (2017, 3826560), (3986, 1936320), (4034, 1913280), (5979, 1290880), (6051, 1275520), (7972, 968160), (8068, 956640), (9965, 774528), (10085, 765312), (11958, 645440), (12102, 637760), (15944, 484080), (16136, 478320), (19930, 387264), (20170, 382656), (23916, 322720), (24204, 318880), (29895, 258176), (30255, 255104), (31888, 242040), (32272, 239160), (39860, 193632), (40340, 191328), (47832, 161360), (48408, 159440), (59790, 129088), (60510, 127552), (63776, 121020), (64544, 119580), (79720, 96816), (80680, 95664)]