1660360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 4193280

約数和(自身を除く): 2532920

約数列:

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

約数ペア:

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