217836240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{907651}}^1$

素因数の和:907667

約数の個数: 40

約数和(自身を含む): 675293088

約数和(自身を除く): 457456848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 907651, 1815302, 2722953, 3630604, 4538255, 5445906, 7261208, 9076510, 10891812, 13614765, 14522416, 18153020, 21783624, 27229530, 36306040, 43567248, 54459060, 72612080, 108918120, 217836240]

約数ペア:

[(1, 217836240), (2, 108918120), (3, 72612080), (4, 54459060), (5, 43567248), (6, 36306040), (8, 27229530), (10, 21783624), (12, 18153020), (15, 14522416), (16, 13614765), (20, 10891812), (24, 9076510), (30, 7261208), (40, 5445906), (48, 4538255), (60, 3630604), (80, 2722953), (120, 1815302), (240, 907651)]