90180800

素因数分解:

$2^6\times 5^2\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:538

約数の個数: 84

約数和(自身を含む): 223936560

約数和(自身を除く): 133755760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 157, 160, 200, 314, 320, 359, 400, 628, 718, 785, 800, 1256, 1436, 1570, 1600, 1795, 2512, 2872, 3140, 3590, 3925, 5024, 5744, 6280, 7180, 7850, 8975, 10048, 11488, 12560, 14360, 15700, 17950, 22976, 25120, 28720, 31400, 35900, 50240, 56363, 57440, 62800, 71800, 112726, 114880, 125600, 143600, 225452, 251200, 281815, 287200, 450904, 563630, 574400, 901808, 1127260, 1409075, 1803616, 2254520, 2818150, 3607232, 4509040, 5636300, 9018080, 11272600, 18036160, 22545200, 45090400, 90180800]

約数ペア:

[(1, 90180800), (2, 45090400), (4, 22545200), (5, 18036160), (8, 11272600), (10, 9018080), (16, 5636300), (20, 4509040), (25, 3607232), (32, 2818150), (40, 2254520), (50, 1803616), (64, 1409075), (80, 1127260), (100, 901808), (157, 574400), (160, 563630), (200, 450904), (314, 287200), (320, 281815), (359, 251200), (400, 225452), (628, 143600), (718, 125600), (785, 114880), (800, 112726), (1256, 71800), (1436, 62800), (1570, 57440), (1600, 56363), (1795, 50240), (2512, 35900), (2872, 31400), (3140, 28720), (3590, 25120), (3925, 22976), (5024, 17950), (5744, 15700), (6280, 14360), (7180, 12560), (7850, 11488), (8975, 10048)]