77620020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3163}}^1$

素因数の和:3584

約数の個数: 48

約数和(自身を含む): 217936320

約数和(自身を除く): 140316300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 409, 818, 1227, 1636, 2045, 2454, 3163, 4090, 4908, 6135, 6326, 8180, 9489, 12270, 12652, 15815, 18978, 24540, 31630, 37956, 47445, 63260, 94890, 189780, 1293667, 2587334, 3881001, 5174668, 6468335, 7762002, 12936670, 15524004, 19405005, 25873340, 38810010, 77620020]

約数ペア:

[(1, 77620020), (2, 38810010), (3, 25873340), (4, 19405005), (5, 15524004), (6, 12936670), (10, 7762002), (12, 6468335), (15, 5174668), (20, 3881001), (30, 2587334), (60, 1293667), (409, 189780), (818, 94890), (1227, 63260), (1636, 47445), (2045, 37956), (2454, 31630), (3163, 24540), (4090, 18978), (4908, 15815), (6135, 12652), (6326, 12270), (8180, 9489)]