22821520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 56424960

約数和(自身を除く): 33603440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 79, 80, 92, 115, 157, 158, 184, 230, 314, 316, 368, 395, 460, 628, 632, 785, 790, 920, 1256, 1264, 1570, 1580, 1817, 1840, 2512, 3140, 3160, 3611, 3634, 6280, 6320, 7222, 7268, 9085, 12403, 12560, 14444, 14536, 18055, 18170, 24806, 28888, 29072, 36110, 36340, 49612, 57776, 62015, 72220, 72680, 99224, 124030, 144440, 145360, 198448, 248060, 285269, 288880, 496120, 570538, 992240, 1141076, 1426345, 2282152, 2852690, 4564304, 5705380, 11410760, 22821520]

約数ペア:

[(1, 22821520), (2, 11410760), (4, 5705380), (5, 4564304), (8, 2852690), (10, 2282152), (16, 1426345), (20, 1141076), (23, 992240), (40, 570538), (46, 496120), (79, 288880), (80, 285269), (92, 248060), (115, 198448), (157, 145360), (158, 144440), (184, 124030), (230, 99224), (314, 72680), (316, 72220), (368, 62015), (395, 57776), (460, 49612), (628, 36340), (632, 36110), (785, 29072), (790, 28888), (920, 24806), (1256, 18170), (1264, 18055), (1570, 14536), (1580, 14444), (1817, 12560), (1840, 12403), (2512, 9085), (3140, 7268), (3160, 7222), (3611, 6320), (3634, 6280)]