28299780

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{647}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 89268480

約数和(自身を除く): 60968700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 647, 729, 810, 972, 1215, 1294, 1458, 1620, 1941, 2187, 2430, 2588, 2916, 3235, 3645, 3882, 4374, 4860, 5823, 6470, 7290, 7764, 8748, 9705, 10935, 11646, 12940, 14580, 17469, 19410, 21870, 23292, 29115, 34938, 38820, 43740, 52407, 58230, 69876, 87345, 104814, 116460, 157221, 174690, 209628, 262035, 314442, 349380, 471663, 524070, 628884, 786105, 943326, 1048140, 1414989, 1572210, 1886652, 2358315, 2829978, 3144420, 4716630, 5659956, 7074945, 9433260, 14149890, 28299780]

約数ペア:

[(1, 28299780), (2, 14149890), (3, 9433260), (4, 7074945), (5, 5659956), (6, 4716630), (9, 3144420), (10, 2829978), (12, 2358315), (15, 1886652), (18, 1572210), (20, 1414989), (27, 1048140), (30, 943326), (36, 786105), (45, 628884), (54, 524070), (60, 471663), (81, 349380), (90, 314442), (108, 262035), (135, 209628), (162, 174690), (180, 157221), (243, 116460), (270, 104814), (324, 87345), (405, 69876), (486, 58230), (540, 52407), (647, 43740), (729, 38820), (810, 34938), (972, 29115), (1215, 23292), (1294, 21870), (1458, 19410), (1620, 17469), (1941, 14580), (2187, 12940), (2430, 11646), (2588, 10935), (2916, 9705), (3235, 8748), (3645, 7764), (3882, 7290), (4374, 6470), (4860, 5823)]