664440720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{38993}}^1$

素因数の和:39080

約数の個数: 80

約数和(自身を含む): 2088830592

約数和(自身を除く): 1424389872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1704, 2130, 2840, 3408, 4260, 5680, 8520, 17040, 38993, 77986, 116979, 155972, 194965, 233958, 311944, 389930, 467916, 584895, 623888, 779860, 935832, 1169790, 1559720, 1871664, 2339580, 2768503, 3119440, 4679160, 5537006, 8305509, 9358320, 11074012, 13842515, 16611018, 22148024, 27685030, 33222036, 41527545, 44296048, 55370060, 66444072, 83055090, 110740120, 132888144, 166110180, 221480240, 332220360, 664440720]

約数ペア:

[(1, 664440720), (2, 332220360), (3, 221480240), (4, 166110180), (5, 132888144), (6, 110740120), (8, 83055090), (10, 66444072), (12, 55370060), (15, 44296048), (16, 41527545), (20, 33222036), (24, 27685030), (30, 22148024), (40, 16611018), (48, 13842515), (60, 11074012), (71, 9358320), (80, 8305509), (120, 5537006), (142, 4679160), (213, 3119440), (240, 2768503), (284, 2339580), (355, 1871664), (426, 1559720), (568, 1169790), (710, 935832), (852, 779860), (1065, 623888), (1136, 584895), (1420, 467916), (1704, 389930), (2130, 311944), (2840, 233958), (3408, 194965), (4260, 155972), (5680, 116979), (8520, 77986), (17040, 38993)]