257478210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{86693}}^1$

素因数の和:86720

約数の個数: 64

約数和(自身を含む): 749036160

約数和(自身を除く): 491557950

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 990, 1485, 2970, 86693, 173386, 260079, 433465, 520158, 780237, 866930, 953623, 1300395, 1560474, 1907246, 2340711, 2600790, 2860869, 3901185, 4681422, 4768115, 5721738, 7802370, 8582607, 9536230, 11703555, 14304345, 17165214, 23407110, 25747821, 28608690, 42913035, 51495642, 85826070, 128739105, 257478210]

約数ペア:

[(1, 257478210), (2, 128739105), (3, 85826070), (5, 51495642), (6, 42913035), (9, 28608690), (10, 25747821), (11, 23407110), (15, 17165214), (18, 14304345), (22, 11703555), (27, 9536230), (30, 8582607), (33, 7802370), (45, 5721738), (54, 4768115), (55, 4681422), (66, 3901185), (90, 2860869), (99, 2600790), (110, 2340711), (135, 1907246), (165, 1560474), (198, 1300395), (270, 953623), (297, 866930), (330, 780237), (495, 520158), (594, 433465), (990, 260079), (1485, 173386), (2970, 86693)]