121702040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 282506400

約数和(自身を除く): 160804360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 173, 215, 344, 346, 409, 430, 692, 818, 860, 865, 1384, 1636, 1720, 1730, 2045, 3272, 3460, 4090, 6920, 7439, 8180, 14878, 16360, 17587, 29756, 35174, 37195, 59512, 70348, 70757, 74390, 87935, 140696, 141514, 148780, 175870, 283028, 297560, 351740, 353785, 566056, 703480, 707570, 1415140, 2830280, 3042551, 6085102, 12170204, 15212755, 24340408, 30425510, 60851020, 121702040]

約数ペア:

[(1, 121702040), (2, 60851020), (4, 30425510), (5, 24340408), (8, 15212755), (10, 12170204), (20, 6085102), (40, 3042551), (43, 2830280), (86, 1415140), (172, 707570), (173, 703480), (215, 566056), (344, 353785), (346, 351740), (409, 297560), (430, 283028), (692, 175870), (818, 148780), (860, 141514), (865, 140696), (1384, 87935), (1636, 74390), (1720, 70757), (1730, 70348), (2045, 59512), (3272, 37195), (3460, 35174), (4090, 29756), (6920, 17587), (7439, 16360), (8180, 14878)]