161571720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13331}}^1$

素因数の和:13446

約数の個数: 64

約数和(自身を含む): 489551040

約数和(自身を除く): 327979320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 12120, 13331, 26662, 39993, 53324, 66655, 79986, 106648, 133310, 159972, 199965, 266620, 319944, 399930, 533240, 799860, 1346431, 1599720, 2692862, 4039293, 5385724, 6732155, 8078586, 10771448, 13464310, 16157172, 20196465, 26928620, 32314344, 40392930, 53857240, 80785860, 161571720]

約数ペア:

[(1, 161571720), (2, 80785860), (3, 53857240), (4, 40392930), (5, 32314344), (6, 26928620), (8, 20196465), (10, 16157172), (12, 13464310), (15, 10771448), (20, 8078586), (24, 6732155), (30, 5385724), (40, 4039293), (60, 2692862), (101, 1599720), (120, 1346431), (202, 799860), (303, 533240), (404, 399930), (505, 319944), (606, 266620), (808, 199965), (1010, 159972), (1212, 133310), (1515, 106648), (2020, 79986), (2424, 66655), (3030, 53324), (4040, 39993), (6060, 26662), (12120, 13331)]