189519840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{131611}}^1$

素因数の和:131632

約数の個数: 72

約数和(自身を含む): 646741368

約数和(自身を除く): 457221528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 131611, 263222, 394833, 526444, 658055, 789666, 1052888, 1184499, 1316110, 1579332, 1974165, 2105776, 2368998, 2632220, 3158664, 3948330, 4211552, 4737996, 5264440, 5922495, 6317328, 7896660, 9475992, 10528880, 11844990, 12634656, 15793320, 18951984, 21057760, 23689980, 31586640, 37903968, 47379960, 63173280, 94759920, 189519840]

約数ペア:

[(1, 189519840), (2, 94759920), (3, 63173280), (4, 47379960), (5, 37903968), (6, 31586640), (8, 23689980), (9, 21057760), (10, 18951984), (12, 15793320), (15, 12634656), (16, 11844990), (18, 10528880), (20, 9475992), (24, 7896660), (30, 6317328), (32, 5922495), (36, 5264440), (40, 4737996), (45, 4211552), (48, 3948330), (60, 3158664), (72, 2632220), (80, 2368998), (90, 2105776), (96, 1974165), (120, 1579332), (144, 1316110), (160, 1184499), (180, 1052888), (240, 789666), (288, 658055), (360, 526444), (480, 394833), (720, 263222), (1440, 131611)]