172203520

素因数分解:

$2^9\times 5^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:651

約数の個数: 80

約数和(自身を含む): 416745648

約数和(自身を除く): 244542128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 274, 320, 491, 512, 548, 640, 685, 982, 1096, 1280, 1370, 1964, 2192, 2455, 2560, 2740, 3928, 4384, 4910, 5480, 7856, 8768, 9820, 10960, 15712, 17536, 19640, 21920, 31424, 35072, 39280, 43840, 62848, 67267, 70144, 78560, 87680, 125696, 134534, 157120, 175360, 251392, 269068, 314240, 336335, 350720, 538136, 628480, 672670, 1076272, 1256960, 1345340, 2152544, 2690680, 4305088, 5381360, 8610176, 10762720, 17220352, 21525440, 34440704, 43050880, 86101760, 172203520]

約数ペア:

[(1, 172203520), (2, 86101760), (4, 43050880), (5, 34440704), (8, 21525440), (10, 17220352), (16, 10762720), (20, 8610176), (32, 5381360), (40, 4305088), (64, 2690680), (80, 2152544), (128, 1345340), (137, 1256960), (160, 1076272), (256, 672670), (274, 628480), (320, 538136), (491, 350720), (512, 336335), (548, 314240), (640, 269068), (685, 251392), (982, 175360), (1096, 157120), (1280, 134534), (1370, 125696), (1964, 87680), (2192, 78560), (2455, 70144), (2560, 67267), (2740, 62848), (3928, 43840), (4384, 39280), (4910, 35072), (5480, 31424), (7856, 21920), (8768, 19640), (9820, 17536), (10960, 15712)]