168331520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{18787}}^1$

素因数の和:18815

約数の個数: 72

約数和(自身を含む): 460832064

約数和(自身を除く): 292500544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 18787, 37574, 75148, 93935, 131509, 150296, 187870, 263018, 300592, 375740, 526036, 601184, 657545, 751480, 1052072, 1202368, 1315090, 1502960, 2104144, 2404736, 2630180, 3005920, 4208288, 4809472, 5260360, 6011840, 8416576, 10520720, 12023680, 16833152, 21041440, 24047360, 33666304, 42082880, 84165760, 168331520]

約数ペア:

[(1, 168331520), (2, 84165760), (4, 42082880), (5, 33666304), (7, 24047360), (8, 21041440), (10, 16833152), (14, 12023680), (16, 10520720), (20, 8416576), (28, 6011840), (32, 5260360), (35, 4809472), (40, 4208288), (56, 3005920), (64, 2630180), (70, 2404736), (80, 2104144), (112, 1502960), (128, 1315090), (140, 1202368), (160, 1052072), (224, 751480), (256, 657545), (280, 601184), (320, 526036), (448, 375740), (560, 300592), (640, 263018), (896, 187870), (1120, 150296), (1280, 131509), (1792, 93935), (2240, 75148), (4480, 37574), (8960, 18787)]