77778640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1031}}^1$

素因数の和:1108

約数の個数: 80

約数和(自身を含む): 193487616

約数和(自身を除く): 115708976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 41, 46, 80, 82, 92, 115, 164, 184, 205, 230, 328, 368, 410, 460, 656, 820, 920, 943, 1031, 1640, 1840, 1886, 2062, 3280, 3772, 4124, 4715, 5155, 7544, 8248, 9430, 10310, 15088, 16496, 18860, 20620, 23713, 37720, 41240, 42271, 47426, 75440, 82480, 84542, 94852, 118565, 169084, 189704, 211355, 237130, 338168, 379408, 422710, 474260, 676336, 845420, 948520, 972233, 1690840, 1897040, 1944466, 3381680, 3888932, 4861165, 7777864, 9722330, 15555728, 19444660, 38889320, 77778640]

約数ペア:

[(1, 77778640), (2, 38889320), (4, 19444660), (5, 15555728), (8, 9722330), (10, 7777864), (16, 4861165), (20, 3888932), (23, 3381680), (40, 1944466), (41, 1897040), (46, 1690840), (80, 972233), (82, 948520), (92, 845420), (115, 676336), (164, 474260), (184, 422710), (205, 379408), (230, 338168), (328, 237130), (368, 211355), (410, 189704), (460, 169084), (656, 118565), (820, 94852), (920, 84542), (943, 82480), (1031, 75440), (1640, 47426), (1840, 42271), (1886, 41240), (2062, 37720), (3280, 23713), (3772, 20620), (4124, 18860), (4715, 16496), (5155, 15088), (7544, 10310), (8248, 9430)]