18086580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1129}}^1$

素因数の和:1233

約数の個数: 72

約数和(自身を含む): 55528200

約数和(自身を除く): 37441620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1129, 1335, 1602, 1780, 2258, 2670, 3204, 3387, 4005, 4516, 5340, 5645, 6774, 8010, 10161, 11290, 13548, 16020, 16935, 20322, 22580, 33870, 40644, 50805, 67740, 100481, 101610, 200962, 203220, 301443, 401924, 502405, 602886, 904329, 1004810, 1205772, 1507215, 1808658, 2009620, 3014430, 3617316, 4521645, 6028860, 9043290, 18086580]

約数ペア:

[(1, 18086580), (2, 9043290), (3, 6028860), (4, 4521645), (5, 3617316), (6, 3014430), (9, 2009620), (10, 1808658), (12, 1507215), (15, 1205772), (18, 1004810), (20, 904329), (30, 602886), (36, 502405), (45, 401924), (60, 301443), (89, 203220), (90, 200962), (178, 101610), (180, 100481), (267, 67740), (356, 50805), (445, 40644), (534, 33870), (801, 22580), (890, 20322), (1068, 16935), (1129, 16020), (1335, 13548), (1602, 11290), (1780, 10161), (2258, 8010), (2670, 6774), (3204, 5645), (3387, 5340), (4005, 4516)]