205392720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65831}}^1$

素因数の和:65860

約数の個数: 80

約数和(自身を含む): 685706112

約数和(自身を除く): 480313392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 65831, 131662, 197493, 263324, 329155, 394986, 526648, 658310, 789972, 855803, 987465, 1053296, 1316620, 1579944, 1711606, 1974930, 2567409, 2633240, 3159888, 3423212, 3949860, 4279015, 5134818, 5266480, 6846424, 7899720, 8558030, 10269636, 12837045, 13692848, 15799440, 17116060, 20539272, 25674090, 34232120, 41078544, 51348180, 68464240, 102696360, 205392720]

約数ペア:

[(1, 205392720), (2, 102696360), (3, 68464240), (4, 51348180), (5, 41078544), (6, 34232120), (8, 25674090), (10, 20539272), (12, 17116060), (13, 15799440), (15, 13692848), (16, 12837045), (20, 10269636), (24, 8558030), (26, 7899720), (30, 6846424), (39, 5266480), (40, 5134818), (48, 4279015), (52, 3949860), (60, 3423212), (65, 3159888), (78, 2633240), (80, 2567409), (104, 1974930), (120, 1711606), (130, 1579944), (156, 1316620), (195, 1053296), (208, 987465), (240, 855803), (260, 789972), (312, 658310), (390, 526648), (520, 394986), (624, 329155), (780, 263324), (1040, 197493), (1560, 131662), (3120, 65831)]