90115840

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3061}}^1$

素因数の和:3105

約数の個数: 72

約数和(自身を含む): 225314208

約数和(自身を除く): 135198368

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, 640, 736, 920, 1280, 1472, 1840, 2944, 3061, 3680, 5888, 6122, 7360, 12244, 14720, 15305, 24488, 29440, 30610, 48976, 61220, 70403, 97952, 122440, 140806, 195904, 244880, 281612, 352015, 391808, 489760, 563224, 704030, 783616, 979520, 1126448, 1408060, 1959040, 2252896, 2816120, 3918080, 4505792, 5632240, 9011584, 11264480, 18023168, 22528960, 45057920, 90115840]

約数ペア:

[(1, 90115840), (2, 45057920), (4, 22528960), (5, 18023168), (8, 11264480), (10, 9011584), (16, 5632240), (20, 4505792), (23, 3918080), (32, 2816120), (40, 2252896), (46, 1959040), (64, 1408060), (80, 1126448), (92, 979520), (115, 783616), (128, 704030), (160, 563224), (184, 489760), (230, 391808), (256, 352015), (320, 281612), (368, 244880), (460, 195904), (640, 140806), (736, 122440), (920, 97952), (1280, 70403), (1472, 61220), (1840, 48976), (2944, 30610), (3061, 29440), (3680, 24488), (5888, 15305), (6122, 14720), (7360, 12244)]