90814280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1427}}^1$

素因数の和:1518

約数の個数: 64

約数和(自身を含む): 214885440

約数和(自身を除く): 124071160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1427, 1480, 1591, 1720, 2854, 3182, 5708, 6364, 7135, 7955, 11416, 12728, 14270, 15910, 28540, 31820, 52799, 57080, 61361, 63640, 105598, 122722, 211196, 245444, 263995, 306805, 422392, 490888, 527990, 613610, 1055980, 1227220, 2111960, 2270357, 2454440, 4540714, 9081428, 11351785, 18162856, 22703570, 45407140, 90814280]

約数ペア:

[(1, 90814280), (2, 45407140), (4, 22703570), (5, 18162856), (8, 11351785), (10, 9081428), (20, 4540714), (37, 2454440), (40, 2270357), (43, 2111960), (74, 1227220), (86, 1055980), (148, 613610), (172, 527990), (185, 490888), (215, 422392), (296, 306805), (344, 263995), (370, 245444), (430, 211196), (740, 122722), (860, 105598), (1427, 63640), (1480, 61361), (1591, 57080), (1720, 52799), (2854, 31820), (3182, 28540), (5708, 15910), (6364, 14270), (7135, 12728), (7955, 11416)]