90381760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:438

約数の個数: 112

約数和(自身を含む): 248497344

約数和(自身を除く): 158115584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 157, 160, 224, 257, 280, 314, 320, 448, 514, 560, 628, 785, 1028, 1099, 1120, 1256, 1285, 1570, 1799, 2056, 2198, 2240, 2512, 2570, 3140, 3598, 4112, 4396, 5024, 5140, 5495, 6280, 7196, 8224, 8792, 8995, 10048, 10280, 10990, 12560, 14392, 16448, 17584, 17990, 20560, 21980, 25120, 28784, 35168, 35980, 40349, 41120, 43960, 50240, 57568, 70336, 71960, 80698, 82240, 87920, 115136, 143920, 161396, 175840, 201745, 282443, 287840, 322792, 351680, 403490, 564886, 575680, 645584, 806980, 1129772, 1291168, 1412215, 1613960, 2259544, 2582336, 2824430, 3227920, 4519088, 5648860, 6455840, 9038176, 11297720, 12911680, 18076352, 22595440, 45190880, 90381760]

約数ペア:

[(1, 90381760), (2, 45190880), (4, 22595440), (5, 18076352), (7, 12911680), (8, 11297720), (10, 9038176), (14, 6455840), (16, 5648860), (20, 4519088), (28, 3227920), (32, 2824430), (35, 2582336), (40, 2259544), (56, 1613960), (64, 1412215), (70, 1291168), (80, 1129772), (112, 806980), (140, 645584), (157, 575680), (160, 564886), (224, 403490), (257, 351680), (280, 322792), (314, 287840), (320, 282443), (448, 201745), (514, 175840), (560, 161396), (628, 143920), (785, 115136), (1028, 87920), (1099, 82240), (1120, 80698), (1256, 71960), (1285, 70336), (1570, 57568), (1799, 50240), (2056, 43960), (2198, 41120), (2240, 40349), (2512, 35980), (2570, 35168), (3140, 28784), (3598, 25120), (4112, 21980), (4396, 20560), (5024, 17990), (5140, 17584), (5495, 16448), (6280, 14392), (7196, 12560), (8224, 10990), (8792, 10280), (8995, 10048)]