90556240

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 216950400

約数和(自身を除く): 126394160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 107, 142, 149, 214, 284, 298, 355, 428, 535, 568, 596, 710, 745, 856, 1070, 1136, 1192, 1420, 1490, 1712, 2140, 2384, 2840, 2980, 4280, 5680, 5960, 7597, 8560, 10579, 11920, 15194, 15943, 21158, 30388, 31886, 37985, 42316, 52895, 60776, 63772, 75970, 79715, 84632, 105790, 121552, 127544, 151940, 159430, 169264, 211580, 255088, 303880, 318860, 423160, 607760, 637720, 846320, 1131953, 1275440, 2263906, 4527812, 5659765, 9055624, 11319530, 18111248, 22639060, 45278120, 90556240]

約数ペア:

[(1, 90556240), (2, 45278120), (4, 22639060), (5, 18111248), (8, 11319530), (10, 9055624), (16, 5659765), (20, 4527812), (40, 2263906), (71, 1275440), (80, 1131953), (107, 846320), (142, 637720), (149, 607760), (214, 423160), (284, 318860), (298, 303880), (355, 255088), (428, 211580), (535, 169264), (568, 159430), (596, 151940), (710, 127544), (745, 121552), (856, 105790), (1070, 84632), (1136, 79715), (1192, 75970), (1420, 63772), (1490, 60776), (1712, 52895), (2140, 42316), (2384, 37985), (2840, 31886), (2980, 30388), (4280, 21158), (5680, 15943), (5960, 15194), (7597, 11920), (8560, 10579)]