90888560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1489}}^1$

素因数の和:1618

約数の個数: 80

約数和(自身を含む): 243883200

約数和(自身を除く): 152994640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1489, 1526, 1744, 2180, 2978, 3052, 3815, 4360, 5956, 6104, 7445, 7630, 8720, 10423, 11912, 12208, 14890, 15260, 20846, 23824, 29780, 30520, 41692, 52115, 59560, 61040, 83384, 104230, 119120, 162301, 166768, 208460, 324602, 416920, 649204, 811505, 833840, 1136107, 1298408, 1623010, 2272214, 2596816, 3246020, 4544428, 5680535, 6492040, 9088856, 11361070, 12984080, 18177712, 22722140, 45444280, 90888560]

約数ペア:

[(1, 90888560), (2, 45444280), (4, 22722140), (5, 18177712), (7, 12984080), (8, 11361070), (10, 9088856), (14, 6492040), (16, 5680535), (20, 4544428), (28, 3246020), (35, 2596816), (40, 2272214), (56, 1623010), (70, 1298408), (80, 1136107), (109, 833840), (112, 811505), (140, 649204), (218, 416920), (280, 324602), (436, 208460), (545, 166768), (560, 162301), (763, 119120), (872, 104230), (1090, 83384), (1489, 61040), (1526, 59560), (1744, 52115), (2180, 41692), (2978, 30520), (3052, 29780), (3815, 23824), (4360, 20846), (5956, 15260), (6104, 14890), (7445, 12208), (7630, 11912), (8720, 10423)]