78864780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2699}}^1$

素因数の和:3198

約数の個数: 48

約数和(自身を含む): 221356800

約数和(自身を除く): 142492020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 487, 974, 1461, 1948, 2435, 2699, 2922, 4870, 5398, 5844, 7305, 8097, 9740, 10796, 13495, 14610, 16194, 26990, 29220, 32388, 40485, 53980, 80970, 161940, 1314413, 2628826, 3943239, 5257652, 6572065, 7886478, 13144130, 15772956, 19716195, 26288260, 39432390, 78864780]

約数ペア:

[(1, 78864780), (2, 39432390), (3, 26288260), (4, 19716195), (5, 15772956), (6, 13144130), (10, 7886478), (12, 6572065), (15, 5257652), (20, 3943239), (30, 2628826), (60, 1314413), (487, 161940), (974, 80970), (1461, 53980), (1948, 40485), (2435, 32388), (2699, 29220), (2922, 26990), (4870, 16194), (5398, 14610), (5844, 13495), (7305, 10796), (8097, 9740)]