688400580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71263}}^1$

素因数の和:71305

約数の個数: 96

約数和(自身を含む): 2298691584

約数和(自身を除く): 1610291004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 9660, 71263, 142526, 213789, 285052, 356315, 427578, 498841, 712630, 855156, 997682, 1068945, 1425260, 1496523, 1639049, 1995364, 2137890, 2494205, 2993046, 3278098, 4275780, 4917147, 4988410, 5986092, 6556196, 7482615, 8195245, 9834294, 9976820, 11473343, 14965230, 16390490, 19668588, 22946686, 24585735, 29930460, 32780980, 34420029, 45893372, 49171470, 57366715, 68840058, 98342940, 114733430, 137680116, 172100145, 229466860, 344200290, 688400580]

約数ペア:

[(1, 688400580), (2, 344200290), (3, 229466860), (4, 172100145), (5, 137680116), (6, 114733430), (7, 98342940), (10, 68840058), (12, 57366715), (14, 49171470), (15, 45893372), (20, 34420029), (21, 32780980), (23, 29930460), (28, 24585735), (30, 22946686), (35, 19668588), (42, 16390490), (46, 14965230), (60, 11473343), (69, 9976820), (70, 9834294), (84, 8195245), (92, 7482615), (105, 6556196), (115, 5986092), (138, 4988410), (140, 4917147), (161, 4275780), (210, 3278098), (230, 2993046), (276, 2494205), (322, 2137890), (345, 1995364), (420, 1639049), (460, 1496523), (483, 1425260), (644, 1068945), (690, 997682), (805, 855156), (966, 712630), (1380, 498841), (1610, 427578), (1932, 356315), (2415, 285052), (3220, 213789), (4830, 142526), (9660, 71263)]