30801520

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{739}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 71848080

約数和(自身を除く): 41046560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 739, 1042, 1478, 2084, 2605, 2956, 3695, 4168, 5210, 5912, 7390, 8336, 10420, 11824, 14780, 20840, 29560, 41680, 59120, 385019, 770038, 1540076, 1925095, 3080152, 3850190, 6160304, 7700380, 15400760, 30801520]

約数ペア:

[(1, 30801520), (2, 15400760), (4, 7700380), (5, 6160304), (8, 3850190), (10, 3080152), (16, 1925095), (20, 1540076), (40, 770038), (80, 385019), (521, 59120), (739, 41680), (1042, 29560), (1478, 20840), (2084, 14780), (2605, 11824), (2956, 10420), (3695, 8336), (4168, 7390), (5210, 5912)]