1638216240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{6825901}}^1$

素因数の和:6825917

約数の個数: 40

約数和(自身を含む): 5078471088

約数和(自身を除く): 3440254848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 6825901, 13651802, 20477703, 27303604, 34129505, 40955406, 54607208, 68259010, 81910812, 102388515, 109214416, 136518020, 163821624, 204777030, 273036040, 327643248, 409554060, 546072080, 819108120, 1638216240]

約数ペア:

[(1, 1638216240), (2, 819108120), (3, 546072080), (4, 409554060), (5, 327643248), (6, 273036040), (8, 204777030), (10, 163821624), (12, 136518020), (15, 109214416), (16, 102388515), (20, 81910812), (24, 68259010), (30, 54607208), (40, 40955406), (48, 34129505), (60, 27303604), (80, 20477703), (120, 13651802), (240, 6825901)]