152705840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{701}}^1$

素因数の和:1110

約数の個数: 80

約数和(自身を含む): 407384640

約数和(自身を除く): 254678800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 389, 560, 701, 778, 1402, 1556, 1945, 2723, 2804, 3112, 3505, 3890, 4907, 5446, 5608, 6224, 7010, 7780, 9814, 10892, 11216, 13615, 14020, 15560, 19628, 21784, 24535, 27230, 28040, 31120, 39256, 43568, 49070, 54460, 56080, 78512, 98140, 108920, 196280, 217840, 272689, 392560, 545378, 1090756, 1363445, 1908823, 2181512, 2726890, 3817646, 4363024, 5453780, 7635292, 9544115, 10907560, 15270584, 19088230, 21815120, 30541168, 38176460, 76352920, 152705840]

約数ペア:

[(1, 152705840), (2, 76352920), (4, 38176460), (5, 30541168), (7, 21815120), (8, 19088230), (10, 15270584), (14, 10907560), (16, 9544115), (20, 7635292), (28, 5453780), (35, 4363024), (40, 3817646), (56, 2726890), (70, 2181512), (80, 1908823), (112, 1363445), (140, 1090756), (280, 545378), (389, 392560), (560, 272689), (701, 217840), (778, 196280), (1402, 108920), (1556, 98140), (1945, 78512), (2723, 56080), (2804, 54460), (3112, 49070), (3505, 43568), (3890, 39256), (4907, 31120), (5446, 28040), (5608, 27230), (6224, 24535), (7010, 21784), (7780, 19628), (9814, 15560), (10892, 14020), (11216, 13615)]