644498160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2685409}}^1$

素因数の和:2685425

約数の個数: 40

約数和(自身を含む): 1997945040

約数和(自身を除く): 1353446880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2685409, 5370818, 8056227, 10741636, 13427045, 16112454, 21483272, 26854090, 32224908, 40281135, 42966544, 53708180, 64449816, 80562270, 107416360, 128899632, 161124540, 214832720, 322249080, 644498160]

約数ペア:

[(1, 644498160), (2, 322249080), (3, 214832720), (4, 161124540), (5, 128899632), (6, 107416360), (8, 80562270), (10, 64449816), (12, 53708180), (15, 42966544), (16, 40281135), (20, 32224908), (24, 26854090), (30, 21483272), (40, 16112454), (48, 13427045), (60, 10741636), (80, 8056227), (120, 5370818), (240, 2685409)]