128768520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{1051}}^1$

素因数の和:2086

約数の個数: 64

約数和(自身を含む): 387051840

約数和(自身を除く): 258283320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1021, 1051, 2042, 2102, 3063, 3153, 4084, 4204, 5105, 5255, 6126, 6306, 8168, 8408, 10210, 10510, 12252, 12612, 15315, 15765, 20420, 21020, 24504, 25224, 30630, 31530, 40840, 42040, 61260, 63060, 122520, 126120, 1073071, 2146142, 3219213, 4292284, 5365355, 6438426, 8584568, 10730710, 12876852, 16096065, 21461420, 25753704, 32192130, 42922840, 64384260, 128768520]

約数ペア:

[(1, 128768520), (2, 64384260), (3, 42922840), (4, 32192130), (5, 25753704), (6, 21461420), (8, 16096065), (10, 12876852), (12, 10730710), (15, 8584568), (20, 6438426), (24, 5365355), (30, 4292284), (40, 3219213), (60, 2146142), (120, 1073071), (1021, 126120), (1051, 122520), (2042, 63060), (2102, 61260), (3063, 42040), (3153, 40840), (4084, 31530), (4204, 30630), (5105, 25224), (5255, 24504), (6126, 21020), (6306, 20420), (8168, 15765), (8408, 15315), (10210, 12612), (10510, 12252)]