30250520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 71850240

約数和(自身を除く): 41599720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 131, 184, 230, 251, 262, 460, 502, 524, 655, 920, 1004, 1048, 1255, 1310, 2008, 2510, 2620, 3013, 5020, 5240, 5773, 6026, 10040, 11546, 12052, 15065, 23092, 24104, 28865, 30130, 32881, 46184, 57730, 60260, 65762, 115460, 120520, 131524, 164405, 230920, 263048, 328810, 657620, 756263, 1315240, 1512526, 3025052, 3781315, 6050104, 7562630, 15125260, 30250520]

約数ペア:

[(1, 30250520), (2, 15125260), (4, 7562630), (5, 6050104), (8, 3781315), (10, 3025052), (20, 1512526), (23, 1315240), (40, 756263), (46, 657620), (92, 328810), (115, 263048), (131, 230920), (184, 164405), (230, 131524), (251, 120520), (262, 115460), (460, 65762), (502, 60260), (524, 57730), (655, 46184), (920, 32881), (1004, 30130), (1048, 28865), (1255, 24104), (1310, 23092), (2008, 15065), (2510, 12052), (2620, 11546), (3013, 10040), (5020, 6026), (5240, 5773)]