131381520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23801}}^1$

素因数の和:23840

約数の個数: 80

約数和(自身を含む): 425008512

約数和(自身を除く): 293626992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 23801, 47602, 71403, 95204, 119005, 142806, 190408, 238010, 285612, 357015, 380816, 476020, 547423, 571224, 714030, 952040, 1094846, 1142448, 1428060, 1642269, 1904080, 2189692, 2737115, 2856120, 3284538, 4379384, 5474230, 5712240, 6569076, 8211345, 8758768, 10948460, 13138152, 16422690, 21896920, 26276304, 32845380, 43793840, 65690760, 131381520]

約数ペア:

[(1, 131381520), (2, 65690760), (3, 43793840), (4, 32845380), (5, 26276304), (6, 21896920), (8, 16422690), (10, 13138152), (12, 10948460), (15, 8758768), (16, 8211345), (20, 6569076), (23, 5712240), (24, 5474230), (30, 4379384), (40, 3284538), (46, 2856120), (48, 2737115), (60, 2189692), (69, 1904080), (80, 1642269), (92, 1428060), (115, 1142448), (120, 1094846), (138, 952040), (184, 714030), (230, 571224), (240, 547423), (276, 476020), (345, 380816), (368, 357015), (460, 285612), (552, 238010), (690, 190408), (920, 142806), (1104, 119005), (1380, 95204), (1840, 71403), (2760, 47602), (5520, 23801)]