31147520

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^3$

素因数の和:92

約数の個数: 80

約数和(自身を含む): 78075360

約数和(自身を除く): 46927840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 529, 640, 736, 920, 1058, 1280, 1472, 1840, 2116, 2560, 2645, 2944, 3680, 4232, 5290, 5888, 7360, 8464, 10580, 11776, 12167, 14720, 16928, 21160, 24334, 29440, 33856, 42320, 48668, 58880, 60835, 67712, 84640, 97336, 121670, 135424, 169280, 194672, 243340, 270848, 338560, 389344, 486680, 677120, 778688, 973360, 1354240, 1557376, 1946720, 3114752, 3893440, 6229504, 7786880, 15573760, 31147520]

約数ペア:

[(1, 31147520), (2, 15573760), (4, 7786880), (5, 6229504), (8, 3893440), (10, 3114752), (16, 1946720), (20, 1557376), (23, 1354240), (32, 973360), (40, 778688), (46, 677120), (64, 486680), (80, 389344), (92, 338560), (115, 270848), (128, 243340), (160, 194672), (184, 169280), (230, 135424), (256, 121670), (320, 97336), (368, 84640), (460, 67712), (512, 60835), (529, 58880), (640, 48668), (736, 42320), (920, 33856), (1058, 29440), (1280, 24334), (1472, 21160), (1840, 16928), (2116, 14720), (2560, 12167), (2645, 11776), (2944, 10580), (3680, 8464), (4232, 7360), (5290, 5888)]