65327780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 163296000

約数和(自身を除く): 97968220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 107, 140, 178, 196, 214, 245, 343, 356, 428, 445, 490, 535, 623, 686, 749, 890, 980, 1070, 1246, 1372, 1498, 1715, 1780, 2140, 2492, 2996, 3115, 3430, 3745, 4361, 5243, 6230, 6860, 7490, 8722, 9523, 10486, 12460, 14980, 17444, 19046, 20972, 21805, 26215, 30527, 36701, 38092, 43610, 47615, 52430, 61054, 66661, 73402, 87220, 95230, 104860, 122108, 133322, 146804, 152635, 183505, 190460, 266644, 305270, 333305, 367010, 466627, 610540, 666610, 734020, 933254, 1333220, 1866508, 2333135, 3266389, 4666270, 6532778, 9332540, 13065556, 16331945, 32663890, 65327780]

約数ペア:

[(1, 65327780), (2, 32663890), (4, 16331945), (5, 13065556), (7, 9332540), (10, 6532778), (14, 4666270), (20, 3266389), (28, 2333135), (35, 1866508), (49, 1333220), (70, 933254), (89, 734020), (98, 666610), (107, 610540), (140, 466627), (178, 367010), (196, 333305), (214, 305270), (245, 266644), (343, 190460), (356, 183505), (428, 152635), (445, 146804), (490, 133322), (535, 122108), (623, 104860), (686, 95230), (749, 87220), (890, 73402), (980, 66661), (1070, 61054), (1246, 52430), (1372, 47615), (1498, 43610), (1715, 38092), (1780, 36701), (2140, 30527), (2492, 26215), (2996, 21805), (3115, 20972), (3430, 19046), (3745, 17444), (4361, 14980), (5243, 12460), (6230, 10486), (6860, 9523), (7490, 8722)]