1236540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 3562272

約数和(自身を除く): 2325732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 557, 740, 1110, 1114, 1671, 2220, 2228, 2785, 3342, 5570, 6684, 8355, 11140, 16710, 20609, 33420, 41218, 61827, 82436, 103045, 123654, 206090, 247308, 309135, 412180, 618270, 1236540]

約数ペア:

[(1, 1236540), (2, 618270), (3, 412180), (4, 309135), (5, 247308), (6, 206090), (10, 123654), (12, 103045), (15, 82436), (20, 61827), (30, 41218), (37, 33420), (60, 20609), (74, 16710), (111, 11140), (148, 8355), (185, 6684), (222, 5570), (370, 3342), (444, 2785), (555, 2228), (557, 2220), (740, 1671), (1110, 1114)]