217758780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7907}}^1$

素因数の和:7945

約数の個数: 120

約数和(自身を含む): 723392208

約数和(自身を除く): 505633428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 255, 270, 306, 324, 340, 405, 459, 510, 540, 612, 765, 810, 918, 1020, 1377, 1530, 1620, 1836, 2295, 2754, 3060, 4590, 5508, 6885, 7907, 9180, 13770, 15814, 23721, 27540, 31628, 39535, 47442, 71163, 79070, 94884, 118605, 134419, 142326, 158140, 213489, 237210, 268838, 284652, 355815, 403257, 426978, 474420, 537676, 640467, 672095, 711630, 806514, 853956, 1067445, 1209771, 1280934, 1344190, 1423260, 1613028, 2016285, 2134890, 2419542, 2561868, 2688380, 3202335, 3629313, 4032570, 4269780, 4839084, 6048855, 6404670, 7258626, 8065140, 10887939, 12097710, 12809340, 14517252, 18146565, 21775878, 24195420, 36293130, 43551756, 54439695, 72586260, 108879390, 217758780]

約数ペア:

[(1, 217758780), (2, 108879390), (3, 72586260), (4, 54439695), (5, 43551756), (6, 36293130), (9, 24195420), (10, 21775878), (12, 18146565), (15, 14517252), (17, 12809340), (18, 12097710), (20, 10887939), (27, 8065140), (30, 7258626), (34, 6404670), (36, 6048855), (45, 4839084), (51, 4269780), (54, 4032570), (60, 3629313), (68, 3202335), (81, 2688380), (85, 2561868), (90, 2419542), (102, 2134890), (108, 2016285), (135, 1613028), (153, 1423260), (162, 1344190), (170, 1280934), (180, 1209771), (204, 1067445), (255, 853956), (270, 806514), (306, 711630), (324, 672095), (340, 640467), (405, 537676), (459, 474420), (510, 426978), (540, 403257), (612, 355815), (765, 284652), (810, 268838), (918, 237210), (1020, 213489), (1377, 158140), (1530, 142326), (1620, 134419), (1836, 118605), (2295, 94884), (2754, 79070), (3060, 71163), (4590, 47442), (5508, 39535), (6885, 31628), (7907, 27540), (9180, 23721), (13770, 15814)]