64451640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:493

約数の個数: 128

約数和(自身を含む): 212958720

約数和(自身を除く): 148507080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 157, 165, 220, 264, 311, 314, 330, 440, 471, 622, 628, 660, 785, 933, 942, 1244, 1256, 1320, 1555, 1570, 1727, 1866, 1884, 2355, 2488, 3110, 3140, 3421, 3454, 3732, 3768, 4665, 4710, 5181, 6220, 6280, 6842, 6908, 7464, 8635, 9330, 9420, 10263, 10362, 12440, 13684, 13816, 17105, 17270, 18660, 18840, 20526, 20724, 25905, 27368, 34210, 34540, 37320, 41052, 41448, 48827, 51315, 51810, 68420, 69080, 82104, 97654, 102630, 103620, 136840, 146481, 195308, 205260, 207240, 244135, 292962, 390616, 410520, 488270, 537097, 585924, 732405, 976540, 1074194, 1171848, 1464810, 1611291, 1953080, 2148388, 2685485, 2929620, 3222582, 4296776, 5370970, 5859240, 6445164, 8056455, 10741940, 12890328, 16112910, 21483880, 32225820, 64451640]

約数ペア:

[(1, 64451640), (2, 32225820), (3, 21483880), (4, 16112910), (5, 12890328), (6, 10741940), (8, 8056455), (10, 6445164), (11, 5859240), (12, 5370970), (15, 4296776), (20, 3222582), (22, 2929620), (24, 2685485), (30, 2148388), (33, 1953080), (40, 1611291), (44, 1464810), (55, 1171848), (60, 1074194), (66, 976540), (88, 732405), (110, 585924), (120, 537097), (132, 488270), (157, 410520), (165, 390616), (220, 292962), (264, 244135), (311, 207240), (314, 205260), (330, 195308), (440, 146481), (471, 136840), (622, 103620), (628, 102630), (660, 97654), (785, 82104), (933, 69080), (942, 68420), (1244, 51810), (1256, 51315), (1320, 48827), (1555, 41448), (1570, 41052), (1727, 37320), (1866, 34540), (1884, 34210), (2355, 27368), (2488, 25905), (3110, 20724), (3140, 20526), (3421, 18840), (3454, 18660), (3732, 17270), (3768, 17105), (4665, 13816), (4710, 13684), (5181, 12440), (6220, 10362), (6280, 10263), (6842, 9420), (6908, 9330), (7464, 8635)]