160954720

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^2\times {\mathrm{127}}^1$

素因数の和:320

約数の個数: 72

約数和(自身を含む): 387604224

約数和(自身を除く): 226649504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 127, 160, 178, 254, 356, 445, 508, 635, 712, 890, 1016, 1270, 1424, 1780, 2032, 2540, 2848, 3560, 4064, 5080, 7120, 7921, 10160, 11303, 14240, 15842, 20320, 22606, 31684, 39605, 45212, 56515, 63368, 79210, 90424, 113030, 126736, 158420, 180848, 226060, 253472, 316840, 361696, 452120, 633680, 904240, 1005967, 1267360, 1808480, 2011934, 4023868, 5029835, 8047736, 10059670, 16095472, 20119340, 32190944, 40238680, 80477360, 160954720]

約数ペア:

[(1, 160954720), (2, 80477360), (4, 40238680), (5, 32190944), (8, 20119340), (10, 16095472), (16, 10059670), (20, 8047736), (32, 5029835), (40, 4023868), (80, 2011934), (89, 1808480), (127, 1267360), (160, 1005967), (178, 904240), (254, 633680), (356, 452120), (445, 361696), (508, 316840), (635, 253472), (712, 226060), (890, 180848), (1016, 158420), (1270, 126736), (1424, 113030), (1780, 90424), (2032, 79210), (2540, 63368), (2848, 56515), (3560, 45212), (4064, 39605), (5080, 31684), (7120, 22606), (7921, 20320), (10160, 15842), (11303, 14240)]