13281800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 36158400

約数和(自身を除く): 22876600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 53, 56, 70, 100, 106, 140, 175, 179, 200, 212, 265, 280, 350, 358, 371, 424, 530, 700, 716, 742, 895, 1060, 1253, 1325, 1400, 1432, 1484, 1790, 1855, 2120, 2506, 2650, 2968, 3580, 3710, 4475, 5012, 5300, 6265, 7160, 7420, 8950, 9275, 9487, 10024, 10600, 12530, 14840, 17900, 18550, 18974, 25060, 31325, 35800, 37100, 37948, 47435, 50120, 62650, 66409, 74200, 75896, 94870, 125300, 132818, 189740, 237175, 250600, 265636, 332045, 379480, 474350, 531272, 664090, 948700, 1328180, 1660225, 1897400, 2656360, 3320450, 6640900, 13281800]

約数ペア:

[(1, 13281800), (2, 6640900), (4, 3320450), (5, 2656360), (7, 1897400), (8, 1660225), (10, 1328180), (14, 948700), (20, 664090), (25, 531272), (28, 474350), (35, 379480), (40, 332045), (50, 265636), (53, 250600), (56, 237175), (70, 189740), (100, 132818), (106, 125300), (140, 94870), (175, 75896), (179, 74200), (200, 66409), (212, 62650), (265, 50120), (280, 47435), (350, 37948), (358, 37100), (371, 35800), (424, 31325), (530, 25060), (700, 18974), (716, 18550), (742, 17900), (895, 14840), (1060, 12530), (1253, 10600), (1325, 10024), (1400, 9487), (1432, 9275), (1484, 8950), (1790, 7420), (1855, 7160), (2120, 6265), (2506, 5300), (2650, 5012), (2968, 4475), (3580, 3710)]