1851376720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{52957}}^1$

素因数の和:53012

約数の個数: 80

約数和(自身を含む): 4728090240

約数和(自身を除く): 2876713520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2185, 3496, 4370, 6992, 8740, 17480, 34960, 52957, 105914, 211828, 264785, 423656, 529570, 847312, 1006183, 1059140, 1218011, 2012366, 2118280, 2436022, 4024732, 4236560, 4872044, 5030915, 6090055, 8049464, 9744088, 10061830, 12180110, 16098928, 19488176, 20123660, 23142209, 24360220, 40247320, 46284418, 48720440, 80494640, 92568836, 97440880, 115711045, 185137672, 231422090, 370275344, 462844180, 925688360, 1851376720]

約数ペア:

[(1, 1851376720), (2, 925688360), (4, 462844180), (5, 370275344), (8, 231422090), (10, 185137672), (16, 115711045), (19, 97440880), (20, 92568836), (23, 80494640), (38, 48720440), (40, 46284418), (46, 40247320), (76, 24360220), (80, 23142209), (92, 20123660), (95, 19488176), (115, 16098928), (152, 12180110), (184, 10061830), (190, 9744088), (230, 8049464), (304, 6090055), (368, 5030915), (380, 4872044), (437, 4236560), (460, 4024732), (760, 2436022), (874, 2118280), (920, 2012366), (1520, 1218011), (1748, 1059140), (1840, 1006183), (2185, 847312), (3496, 529570), (4370, 423656), (6992, 264785), (8740, 211828), (17480, 105914), (34960, 52957)]