66205980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8971}}^1$

素因数の和:9027

約数の個数: 72

約数和(自身を含む): 205745904

約数和(自身を除く): 139539924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 8971, 17942, 26913, 35884, 44855, 53826, 80739, 89710, 107652, 134565, 161478, 179420, 269130, 322956, 367811, 403695, 538260, 735622, 807390, 1103433, 1471244, 1614780, 1839055, 2206866, 3310299, 3678110, 4413732, 5517165, 6620598, 7356220, 11034330, 13241196, 16551495, 22068660, 33102990, 66205980]

約数ペア:

[(1, 66205980), (2, 33102990), (3, 22068660), (4, 16551495), (5, 13241196), (6, 11034330), (9, 7356220), (10, 6620598), (12, 5517165), (15, 4413732), (18, 3678110), (20, 3310299), (30, 2206866), (36, 1839055), (41, 1614780), (45, 1471244), (60, 1103433), (82, 807390), (90, 735622), (123, 538260), (164, 403695), (180, 367811), (205, 322956), (246, 269130), (369, 179420), (410, 161478), (492, 134565), (615, 107652), (738, 89710), (820, 80739), (1230, 53826), (1476, 44855), (1845, 35884), (2460, 26913), (3690, 17942), (7380, 8971)]