155756280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7963}}^1$

素因数の和:8140

約数の個数: 64

約数和(自身を含む): 470194560

約数和(自身を除く): 314438280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1630, 1956, 2445, 3260, 3912, 4890, 6520, 7963, 9780, 15926, 19560, 23889, 31852, 39815, 47778, 63704, 79630, 95556, 119445, 159260, 191112, 238890, 318520, 477780, 955560, 1297969, 2595938, 3893907, 5191876, 6489845, 7787814, 10383752, 12979690, 15575628, 19469535, 25959380, 31151256, 38939070, 51918760, 77878140, 155756280]

約数ペア:

[(1, 155756280), (2, 77878140), (3, 51918760), (4, 38939070), (5, 31151256), (6, 25959380), (8, 19469535), (10, 15575628), (12, 12979690), (15, 10383752), (20, 7787814), (24, 6489845), (30, 5191876), (40, 3893907), (60, 2595938), (120, 1297969), (163, 955560), (326, 477780), (489, 318520), (652, 238890), (815, 191112), (978, 159260), (1304, 119445), (1630, 95556), (1956, 79630), (2445, 63704), (3260, 47778), (3912, 39815), (4890, 31852), (6520, 23889), (7963, 19560), (9780, 15926)]