217675520

素因数分解:

$2^8\times 5^1\times {\mathrm{173}}^1\times {\mathrm{983}}^1$

素因数の和:1177

約数の個数: 72

約数和(自身を含む): 524948256

約数和(自身を除く): 307272736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 256, 320, 346, 640, 692, 865, 983, 1280, 1384, 1730, 1966, 2768, 3460, 3932, 4915, 5536, 6920, 7864, 9830, 11072, 13840, 15728, 19660, 22144, 27680, 31456, 39320, 44288, 55360, 62912, 78640, 110720, 125824, 157280, 170059, 221440, 251648, 314560, 340118, 629120, 680236, 850295, 1258240, 1360472, 1700590, 2720944, 3401180, 5441888, 6802360, 10883776, 13604720, 21767552, 27209440, 43535104, 54418880, 108837760, 217675520]

約数ペア:

[(1, 217675520), (2, 108837760), (4, 54418880), (5, 43535104), (8, 27209440), (10, 21767552), (16, 13604720), (20, 10883776), (32, 6802360), (40, 5441888), (64, 3401180), (80, 2720944), (128, 1700590), (160, 1360472), (173, 1258240), (256, 850295), (320, 680236), (346, 629120), (640, 340118), (692, 314560), (865, 251648), (983, 221440), (1280, 170059), (1384, 157280), (1730, 125824), (1966, 110720), (2768, 78640), (3460, 62912), (3932, 55360), (4915, 44288), (5536, 39320), (6920, 31456), (7864, 27680), (9830, 22144), (11072, 19660), (13840, 15728)]