90745480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7537}}^1$

素因数の和:7598

約数の個数: 64

約数和(自身を含む): 238803840

約数和(自身を除く): 148058360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 7537, 12040, 15074, 30148, 37685, 52759, 60296, 75370, 105518, 150740, 211036, 263795, 301480, 324091, 422072, 527590, 648182, 1055180, 1296364, 1620455, 2110360, 2268637, 2592728, 3240910, 4537274, 6481820, 9074548, 11343185, 12963640, 18149096, 22686370, 45372740, 90745480]

約数ペア:

[(1, 90745480), (2, 45372740), (4, 22686370), (5, 18149096), (7, 12963640), (8, 11343185), (10, 9074548), (14, 6481820), (20, 4537274), (28, 3240910), (35, 2592728), (40, 2268637), (43, 2110360), (56, 1620455), (70, 1296364), (86, 1055180), (140, 648182), (172, 527590), (215, 422072), (280, 324091), (301, 301480), (344, 263795), (430, 211036), (602, 150740), (860, 105518), (1204, 75370), (1505, 60296), (1720, 52759), (2408, 37685), (3010, 30148), (6020, 15074), (7537, 12040)]