3320720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:160

約数の個数: 80

約数和(自身を含む): 8666112

約数和(自身を除く): 5345392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 103, 104, 124, 130, 155, 206, 208, 248, 260, 310, 403, 412, 496, 515, 520, 620, 806, 824, 1030, 1040, 1240, 1339, 1612, 1648, 2015, 2060, 2480, 2678, 3193, 3224, 4030, 4120, 5356, 6386, 6448, 6695, 8060, 8240, 10712, 12772, 13390, 15965, 16120, 21424, 25544, 26780, 31930, 32240, 41509, 51088, 53560, 63860, 83018, 107120, 127720, 166036, 207545, 255440, 332072, 415090, 664144, 830180, 1660360, 3320720]

約数ペア:

[(1, 3320720), (2, 1660360), (4, 830180), (5, 664144), (8, 415090), (10, 332072), (13, 255440), (16, 207545), (20, 166036), (26, 127720), (31, 107120), (40, 83018), (52, 63860), (62, 53560), (65, 51088), (80, 41509), (103, 32240), (104, 31930), (124, 26780), (130, 25544), (155, 21424), (206, 16120), (208, 15965), (248, 13390), (260, 12772), (310, 10712), (403, 8240), (412, 8060), (496, 6695), (515, 6448), (520, 6386), (620, 5356), (806, 4120), (824, 4030), (1030, 3224), (1040, 3193), (1240, 2678), (1339, 2480), (1612, 2060), (1648, 2015)]