131034880

素因数分解:

$2^8\times 5^1\times {\mathrm{167}}^1\times {\mathrm{613}}^1$

素因数の和:801

約数の個数: 72

約数和(自身を含む): 316264032

約数和(自身を除く): 185229152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 256, 320, 334, 613, 640, 668, 835, 1226, 1280, 1336, 1670, 2452, 2672, 3065, 3340, 4904, 5344, 6130, 6680, 9808, 10688, 12260, 13360, 19616, 21376, 24520, 26720, 39232, 42752, 49040, 53440, 78464, 98080, 102371, 106880, 156928, 196160, 204742, 213760, 392320, 409484, 511855, 784640, 818968, 1023710, 1637936, 2047420, 3275872, 4094840, 6551744, 8189680, 13103488, 16379360, 26206976, 32758720, 65517440, 131034880]

約数ペア:

[(1, 131034880), (2, 65517440), (4, 32758720), (5, 26206976), (8, 16379360), (10, 13103488), (16, 8189680), (20, 6551744), (32, 4094840), (40, 3275872), (64, 2047420), (80, 1637936), (128, 1023710), (160, 818968), (167, 784640), (256, 511855), (320, 409484), (334, 392320), (613, 213760), (640, 204742), (668, 196160), (835, 156928), (1226, 106880), (1280, 102371), (1336, 98080), (1670, 78464), (2452, 53440), (2672, 49040), (3065, 42752), (3340, 39232), (4904, 26720), (5344, 24520), (6130, 21376), (6680, 19616), (9808, 13360), (10688, 12260)]