1380840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 4268160

約数和(自身を除く): 2887320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 311, 370, 444, 555, 622, 740, 888, 933, 1110, 1244, 1480, 1555, 1866, 2220, 2488, 3110, 3732, 4440, 4665, 6220, 7464, 9330, 11507, 12440, 18660, 23014, 34521, 37320, 46028, 57535, 69042, 92056, 115070, 138084, 172605, 230140, 276168, 345210, 460280, 690420, 1380840]

約数ペア:

[(1, 1380840), (2, 690420), (3, 460280), (4, 345210), (5, 276168), (6, 230140), (8, 172605), (10, 138084), (12, 115070), (15, 92056), (20, 69042), (24, 57535), (30, 46028), (37, 37320), (40, 34521), (60, 23014), (74, 18660), (111, 12440), (120, 11507), (148, 9330), (185, 7464), (222, 6220), (296, 4665), (311, 4440), (370, 3732), (444, 3110), (555, 2488), (622, 2220), (740, 1866), (888, 1555), (933, 1480), (1110, 1244)]