1275680820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{574631}}^1$

素因数の和:574680

約数の個数: 48

約数和(自身を含む): 3668450688

約数和(自身を除く): 2392769868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 574631, 1149262, 1723893, 2298524, 2873155, 3447786, 5746310, 6895572, 8619465, 11492620, 17238930, 21261347, 34477860, 42522694, 63784041, 85045388, 106306735, 127568082, 212613470, 255136164, 318920205, 425226940, 637840410, 1275680820]

約数ペア:

[(1, 1275680820), (2, 637840410), (3, 425226940), (4, 318920205), (5, 255136164), (6, 212613470), (10, 127568082), (12, 106306735), (15, 85045388), (20, 63784041), (30, 42522694), (37, 34477860), (60, 21261347), (74, 17238930), (111, 11492620), (148, 8619465), (185, 6895572), (222, 5746310), (370, 3447786), (444, 2873155), (555, 2298524), (740, 1723893), (1110, 1149262), (2220, 574631)]