205485720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155671}}^1$

素因数の和:155696

約数の個数: 64

約数和(自身を含む): 672503040

約数和(自身を除く): 467017320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 155671, 311342, 467013, 622684, 778355, 934026, 1245368, 1556710, 1712381, 1868052, 2335065, 3113420, 3424762, 3736104, 4670130, 5137143, 6226840, 6849524, 8561905, 9340260, 10274286, 13699048, 17123810, 18680520, 20548572, 25685715, 34247620, 41097144, 51371430, 68495240, 102742860, 205485720]

約数ペア:

[(1, 205485720), (2, 102742860), (3, 68495240), (4, 51371430), (5, 41097144), (6, 34247620), (8, 25685715), (10, 20548572), (11, 18680520), (12, 17123810), (15, 13699048), (20, 10274286), (22, 9340260), (24, 8561905), (30, 6849524), (33, 6226840), (40, 5137143), (44, 4670130), (55, 3736104), (60, 3424762), (66, 3113420), (88, 2335065), (110, 1868052), (120, 1712381), (132, 1556710), (165, 1245368), (220, 934026), (264, 778355), (330, 622684), (440, 467013), (660, 311342), (1320, 155671)]