64146780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20963}}^1$

素因数の和:20995

約数の個数: 72

約数和(自身を含む): 206034192

約数和(自身を除く): 141887412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 20963, 41926, 62889, 83852, 104815, 125778, 188667, 209630, 251556, 314445, 356371, 377334, 419260, 628890, 712742, 754668, 943335, 1069113, 1257780, 1425484, 1781855, 1886670, 2138226, 3207339, 3563710, 3773340, 4276452, 5345565, 6414678, 7127420, 10691130, 12829356, 16036695, 21382260, 32073390, 64146780]

約数ペア:

[(1, 64146780), (2, 32073390), (3, 21382260), (4, 16036695), (5, 12829356), (6, 10691130), (9, 7127420), (10, 6414678), (12, 5345565), (15, 4276452), (17, 3773340), (18, 3563710), (20, 3207339), (30, 2138226), (34, 1886670), (36, 1781855), (45, 1425484), (51, 1257780), (60, 1069113), (68, 943335), (85, 754668), (90, 712742), (102, 628890), (153, 419260), (170, 377334), (180, 356371), (204, 314445), (255, 251556), (306, 209630), (340, 188667), (510, 125778), (612, 104815), (765, 83852), (1020, 62889), (1530, 41926), (3060, 20963)]