71581280

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15427}}^1$

素因数の和:15471

約数の個数: 48

約数和(自身を含む): 174953520

約数和(自身を除く): 103372240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 15427, 30854, 61708, 77135, 123416, 154270, 246832, 308540, 447383, 493664, 617080, 894766, 1234160, 1789532, 2236915, 2468320, 3579064, 4473830, 7158128, 8947660, 14316256, 17895320, 35790640, 71581280]

約数ペア:

[(1, 71581280), (2, 35790640), (4, 17895320), (5, 14316256), (8, 8947660), (10, 7158128), (16, 4473830), (20, 3579064), (29, 2468320), (32, 2236915), (40, 1789532), (58, 1234160), (80, 894766), (116, 617080), (145, 493664), (160, 447383), (232, 308540), (290, 246832), (464, 154270), (580, 123416), (928, 77135), (1160, 61708), (2320, 30854), (4640, 15427)]