189716640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{395243}}^1$

素因数の和:395261

約数の個数: 48

約数和(自身を含む): 597608928

約数和(自身を除く): 407892288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 395243, 790486, 1185729, 1580972, 1976215, 2371458, 3161944, 3952430, 4742916, 5928645, 6323888, 7904860, 9485832, 11857290, 12647776, 15809720, 18971664, 23714580, 31619440, 37943328, 47429160, 63238880, 94858320, 189716640]

約数ペア:

[(1, 189716640), (2, 94858320), (3, 63238880), (4, 47429160), (5, 37943328), (6, 31619440), (8, 23714580), (10, 18971664), (12, 15809720), (15, 12647776), (16, 11857290), (20, 9485832), (24, 7904860), (30, 6323888), (32, 5928645), (40, 4742916), (48, 3952430), (60, 3161944), (80, 2371458), (96, 1976215), (120, 1580972), (160, 1185729), (240, 790486), (480, 395243)]