157460079080

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1601}}^1\times {\mathrm{15661}}^1$

素因数の和:17430

約数の個数: 64

約数和(自身を含む): 356787251280

約数和(自身を除く): 199327172200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 1601, 3140, 3202, 6280, 6404, 8005, 12808, 15661, 16010, 31322, 32020, 62644, 64040, 78305, 125288, 156610, 251357, 313220, 502714, 626440, 1005428, 1256785, 2010856, 2458777, 2513570, 4917554, 5027140, 9835108, 10054280, 12293885, 19670216, 24587770, 25073261, 49175540, 50146522, 98351080, 100293044, 125366305, 200586088, 250732610, 501465220, 1002930440, 3936501977, 7873003954, 15746007908, 19682509885, 31492015816, 39365019770, 78730039540, 157460079080]

約数ペア:

[(1, 157460079080), (2, 78730039540), (4, 39365019770), (5, 31492015816), (8, 19682509885), (10, 15746007908), (20, 7873003954), (40, 3936501977), (157, 1002930440), (314, 501465220), (628, 250732610), (785, 200586088), (1256, 125366305), (1570, 100293044), (1601, 98351080), (3140, 50146522), (3202, 49175540), (6280, 25073261), (6404, 24587770), (8005, 19670216), (12808, 12293885), (15661, 10054280), (16010, 9835108), (31322, 5027140), (32020, 4917554), (62644, 2513570), (64040, 2458777), (78305, 2010856), (125288, 1256785), (156610, 1005428), (251357, 626440), (313220, 502714)]