720938640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{63913}}^1$

素因数の和:63976

約数の個数: 80

約数和(自身を含む): 2282496768

約数和(自身を除く): 1561558128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 63913, 127826, 191739, 255652, 319565, 383478, 511304, 639130, 766956, 958695, 1022608, 1278260, 1533912, 1917390, 2556520, 3003911, 3067824, 3834780, 5113040, 6007822, 7669560, 9011733, 12015644, 15019555, 15339120, 18023466, 24031288, 30039110, 36046932, 45058665, 48062576, 60078220, 72093864, 90117330, 120156440, 144187728, 180234660, 240312880, 360469320, 720938640]

約数ペア:

[(1, 720938640), (2, 360469320), (3, 240312880), (4, 180234660), (5, 144187728), (6, 120156440), (8, 90117330), (10, 72093864), (12, 60078220), (15, 48062576), (16, 45058665), (20, 36046932), (24, 30039110), (30, 24031288), (40, 18023466), (47, 15339120), (48, 15019555), (60, 12015644), (80, 9011733), (94, 7669560), (120, 6007822), (141, 5113040), (188, 3834780), (235, 3067824), (240, 3003911), (282, 2556520), (376, 1917390), (470, 1533912), (564, 1278260), (705, 1022608), (752, 958695), (940, 766956), (1128, 639130), (1410, 511304), (1880, 383478), (2256, 319565), (2820, 255652), (3760, 191739), (5640, 127826), (11280, 63913)]