9840540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 27689760

約数和(自身を除く): 17849220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 401, 409, 802, 818, 1203, 1227, 1604, 1636, 2005, 2045, 2406, 2454, 4010, 4090, 4812, 4908, 6015, 6135, 8020, 8180, 12030, 12270, 24060, 24540, 164009, 328018, 492027, 656036, 820045, 984054, 1640090, 1968108, 2460135, 3280180, 4920270, 9840540]

約数ペア:

[(1, 9840540), (2, 4920270), (3, 3280180), (4, 2460135), (5, 1968108), (6, 1640090), (10, 984054), (12, 820045), (15, 656036), (20, 492027), (30, 328018), (60, 164009), (401, 24540), (409, 24060), (802, 12270), (818, 12030), (1203, 8180), (1227, 8020), (1604, 6135), (1636, 6015), (2005, 4908), (2045, 4812), (2406, 4090), (2454, 4010)]