90918080

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1174

約数の個数: 112

約数和(自身を含む): 246668544

約数和(自身を除く): 155750464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 160, 176, 184, 220, 230, 253, 320, 352, 368, 440, 460, 506, 704, 736, 880, 920, 1012, 1123, 1265, 1472, 1760, 1840, 2024, 2246, 2530, 3520, 3680, 4048, 4492, 5060, 5615, 7360, 8096, 8984, 10120, 11230, 12353, 16192, 17968, 20240, 22460, 24706, 25829, 35936, 40480, 44920, 49412, 51658, 61765, 71872, 80960, 89840, 98824, 103316, 123530, 129145, 179680, 197648, 206632, 247060, 258290, 284119, 359360, 395296, 413264, 494120, 516580, 568238, 790592, 826528, 988240, 1033160, 1136476, 1420595, 1653056, 1976480, 2066320, 2272952, 2841190, 3952960, 4132640, 4545904, 5682380, 8265280, 9091808, 11364760, 18183616, 22729520, 45459040, 90918080]

約数ペア:

[(1, 90918080), (2, 45459040), (4, 22729520), (5, 18183616), (8, 11364760), (10, 9091808), (11, 8265280), (16, 5682380), (20, 4545904), (22, 4132640), (23, 3952960), (32, 2841190), (40, 2272952), (44, 2066320), (46, 1976480), (55, 1653056), (64, 1420595), (80, 1136476), (88, 1033160), (92, 988240), (110, 826528), (115, 790592), (160, 568238), (176, 516580), (184, 494120), (220, 413264), (230, 395296), (253, 359360), (320, 284119), (352, 258290), (368, 247060), (440, 206632), (460, 197648), (506, 179680), (704, 129145), (736, 123530), (880, 103316), (920, 98824), (1012, 89840), (1123, 80960), (1265, 71872), (1472, 61765), (1760, 51658), (1840, 49412), (2024, 44920), (2246, 40480), (2530, 35936), (3520, 25829), (3680, 24706), (4048, 22460), (4492, 20240), (5060, 17968), (5615, 16192), (7360, 12353), (8096, 11230), (8984, 10120)]