157219720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{24413}}^1$

素因数の和:24454

約数の個数: 64

約数和(自身を含む): 421873920

約数和(自身を除く): 264654200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 24413, 48826, 97652, 122065, 170891, 195304, 244130, 341782, 488260, 561499, 683564, 854455, 976520, 1122998, 1367128, 1708910, 2245996, 2807495, 3417820, 3930493, 4491992, 5614990, 6835640, 7860986, 11229980, 15721972, 19652465, 22459960, 31443944, 39304930, 78609860, 157219720]

約数ペア:

[(1, 157219720), (2, 78609860), (4, 39304930), (5, 31443944), (7, 22459960), (8, 19652465), (10, 15721972), (14, 11229980), (20, 7860986), (23, 6835640), (28, 5614990), (35, 4491992), (40, 3930493), (46, 3417820), (56, 2807495), (70, 2245996), (92, 1708910), (115, 1367128), (140, 1122998), (161, 976520), (184, 854455), (230, 683564), (280, 561499), (322, 488260), (460, 341782), (644, 244130), (805, 195304), (920, 170891), (1288, 122065), (1610, 97652), (3220, 48826), (6440, 24413)]