78659980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 195955200

約数和(自身を除く): 117295220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 89, 107, 118, 140, 178, 214, 236, 295, 356, 413, 428, 445, 535, 590, 623, 749, 826, 890, 1070, 1180, 1246, 1498, 1652, 1780, 2065, 2140, 2492, 2996, 3115, 3745, 4130, 5251, 6230, 6313, 7490, 8260, 9523, 10502, 12460, 12626, 14980, 19046, 21004, 25252, 26255, 31565, 36757, 38092, 44191, 47615, 52510, 63130, 66661, 73514, 88382, 95230, 105020, 126260, 133322, 147028, 176764, 183785, 190460, 220955, 266644, 333305, 367570, 441910, 561857, 666610, 735140, 883820, 1123714, 1333220, 2247428, 2809285, 3932999, 5618570, 7865998, 11237140, 15731996, 19664995, 39329990, 78659980]

約数ペア:

[(1, 78659980), (2, 39329990), (4, 19664995), (5, 15731996), (7, 11237140), (10, 7865998), (14, 5618570), (20, 3932999), (28, 2809285), (35, 2247428), (59, 1333220), (70, 1123714), (89, 883820), (107, 735140), (118, 666610), (140, 561857), (178, 441910), (214, 367570), (236, 333305), (295, 266644), (356, 220955), (413, 190460), (428, 183785), (445, 176764), (535, 147028), (590, 133322), (623, 126260), (749, 105020), (826, 95230), (890, 88382), (1070, 73514), (1180, 66661), (1246, 63130), (1498, 52510), (1652, 47615), (1780, 44191), (2065, 38092), (2140, 36757), (2492, 31565), (2996, 26255), (3115, 25252), (3745, 21004), (4130, 19046), (5251, 14980), (6230, 12626), (6313, 12460), (7490, 10502), (8260, 9523)]