177431920

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 424562112

約数和(自身を除く): 247130192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 103, 122, 206, 244, 305, 353, 412, 488, 515, 610, 706, 824, 976, 1030, 1220, 1412, 1648, 1765, 2060, 2440, 2824, 3530, 4120, 4880, 5648, 6283, 7060, 8240, 12566, 14120, 21533, 25132, 28240, 31415, 36359, 43066, 50264, 62830, 72718, 86132, 100528, 107665, 125660, 145436, 172264, 181795, 215330, 251320, 290872, 344528, 363590, 430660, 502640, 581744, 727180, 861320, 1454360, 1722640, 2217899, 2908720, 4435798, 8871596, 11089495, 17743192, 22178990, 35486384, 44357980, 88715960, 177431920]

約数ペア:

[(1, 177431920), (2, 88715960), (4, 44357980), (5, 35486384), (8, 22178990), (10, 17743192), (16, 11089495), (20, 8871596), (40, 4435798), (61, 2908720), (80, 2217899), (103, 1722640), (122, 1454360), (206, 861320), (244, 727180), (305, 581744), (353, 502640), (412, 430660), (488, 363590), (515, 344528), (610, 290872), (706, 251320), (824, 215330), (976, 181795), (1030, 172264), (1220, 145436), (1412, 125660), (1648, 107665), (1765, 100528), (2060, 86132), (2440, 72718), (2824, 62830), (3530, 50264), (4120, 43066), (4880, 36359), (5648, 31415), (6283, 28240), (7060, 25132), (8240, 21533), (12566, 14120)]