1720794780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{354073}}^1$

素因数の和:354097

約数の個数: 72

約数和(自身を含む): 5413083312

約数和(自身を除く): 3692288532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 354073, 708146, 1062219, 1416292, 1770365, 2124438, 3186657, 3540730, 4248876, 5311095, 6373314, 7081460, 9559971, 10622190, 12746628, 15933285, 19119942, 21244380, 28679913, 31866570, 38239884, 47799855, 57359826, 63733140, 86039739, 95599710, 114719652, 143399565, 172079478, 191199420, 286799130, 344158956, 430198695, 573598260, 860397390, 1720794780]

約数ペア:

[(1, 1720794780), (2, 860397390), (3, 573598260), (4, 430198695), (5, 344158956), (6, 286799130), (9, 191199420), (10, 172079478), (12, 143399565), (15, 114719652), (18, 95599710), (20, 86039739), (27, 63733140), (30, 57359826), (36, 47799855), (45, 38239884), (54, 31866570), (60, 28679913), (81, 21244380), (90, 19119942), (108, 15933285), (135, 12746628), (162, 10622190), (180, 9559971), (243, 7081460), (270, 6373314), (324, 5311095), (405, 4248876), (486, 3540730), (540, 3186657), (810, 2124438), (972, 1770365), (1215, 1416292), (1620, 1062219), (2430, 708146), (4860, 354073)]