641820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 1895040

約数和(自身を除く): 1253220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 563, 570, 1126, 1140, 1689, 2252, 2815, 3378, 5630, 6756, 8445, 10697, 11260, 16890, 21394, 32091, 33780, 42788, 53485, 64182, 106970, 128364, 160455, 213940, 320910, 641820]

約数ペア:

[(1, 641820), (2, 320910), (3, 213940), (4, 160455), (5, 128364), (6, 106970), (10, 64182), (12, 53485), (15, 42788), (19, 33780), (20, 32091), (30, 21394), (38, 16890), (57, 11260), (60, 10697), (76, 8445), (95, 6756), (114, 5630), (190, 3378), (228, 2815), (285, 2252), (380, 1689), (563, 1140), (570, 1126)]