28777770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2687}}^1$

素因数の和:2724

約数の個数: 96

約数和(自身を含む): 90574848

約数和(自身を除く): 61797078

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 85, 90, 102, 105, 119, 126, 153, 170, 210, 238, 255, 306, 315, 357, 510, 595, 630, 714, 765, 1071, 1190, 1530, 1785, 2142, 2687, 3570, 5355, 5374, 8061, 10710, 13435, 16122, 18809, 24183, 26870, 37618, 40305, 45679, 48366, 56427, 80610, 91358, 94045, 112854, 120915, 137037, 169281, 188090, 228395, 241830, 274074, 282135, 319753, 338562, 411111, 456790, 564270, 639506, 685185, 822222, 846405, 959259, 1370370, 1598765, 1692810, 1918518, 2055555, 2877777, 3197530, 4111110, 4796295, 5755554, 9592590, 14388885, 28777770]

約数ペア:

[(1, 28777770), (2, 14388885), (3, 9592590), (5, 5755554), (6, 4796295), (7, 4111110), (9, 3197530), (10, 2877777), (14, 2055555), (15, 1918518), (17, 1692810), (18, 1598765), (21, 1370370), (30, 959259), (34, 846405), (35, 822222), (42, 685185), (45, 639506), (51, 564270), (63, 456790), (70, 411111), (85, 338562), (90, 319753), (102, 282135), (105, 274074), (119, 241830), (126, 228395), (153, 188090), (170, 169281), (210, 137037), (238, 120915), (255, 112854), (306, 94045), (315, 91358), (357, 80610), (510, 56427), (595, 48366), (630, 45679), (714, 40305), (765, 37618), (1071, 26870), (1190, 24183), (1530, 18809), (1785, 16122), (2142, 13435), (2687, 10710), (3570, 8061), (5355, 5374)]