129388020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{126851}}^1$

素因数の和:126880

約数の個数: 48

約数和(自身を含む): 383600448

約数和(自身を除く): 254212428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 126851, 253702, 380553, 507404, 634255, 761106, 1268510, 1522212, 1902765, 2156467, 2537020, 3805530, 4312934, 6469401, 7611060, 8625868, 10782335, 12938802, 21564670, 25877604, 32347005, 43129340, 64694010, 129388020]

約数ペア:

[(1, 129388020), (2, 64694010), (3, 43129340), (4, 32347005), (5, 25877604), (6, 21564670), (10, 12938802), (12, 10782335), (15, 8625868), (17, 7611060), (20, 6469401), (30, 4312934), (34, 3805530), (51, 2537020), (60, 2156467), (68, 1902765), (85, 1522212), (102, 1268510), (170, 761106), (204, 634255), (255, 507404), (340, 380553), (510, 253702), (1020, 126851)]