90855520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3527}}^1$

素因数の和:3572

約数の個数: 96

約数和(自身を含む): 256048128

約数和(自身を除く): 165192608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1610, 1840, 2576, 3220, 3527, 3680, 5152, 6440, 7054, 12880, 14108, 17635, 24689, 25760, 28216, 35270, 49378, 56432, 70540, 81121, 98756, 112864, 123445, 141080, 162242, 197512, 246890, 282160, 324484, 395024, 405605, 493780, 564320, 567847, 648968, 790048, 811210, 987560, 1135694, 1297936, 1622420, 1975120, 2271388, 2595872, 2839235, 3244840, 3950240, 4542776, 5678470, 6489680, 9085552, 11356940, 12979360, 18171104, 22713880, 45427760, 90855520]

約数ペア:

[(1, 90855520), (2, 45427760), (4, 22713880), (5, 18171104), (7, 12979360), (8, 11356940), (10, 9085552), (14, 6489680), (16, 5678470), (20, 4542776), (23, 3950240), (28, 3244840), (32, 2839235), (35, 2595872), (40, 2271388), (46, 1975120), (56, 1622420), (70, 1297936), (80, 1135694), (92, 987560), (112, 811210), (115, 790048), (140, 648968), (160, 567847), (161, 564320), (184, 493780), (224, 405605), (230, 395024), (280, 324484), (322, 282160), (368, 246890), (460, 197512), (560, 162242), (644, 141080), (736, 123445), (805, 112864), (920, 98756), (1120, 81121), (1288, 70540), (1610, 56432), (1840, 49378), (2576, 35270), (3220, 28216), (3527, 25760), (3680, 24689), (5152, 17635), (6440, 14108), (7054, 12880)]