71335120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 177310080

約数和(自身を除く): 105974960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 661, 710, 760, 1136, 1322, 1349, 1420, 1520, 2644, 2698, 2840, 3305, 5288, 5396, 5680, 6610, 6745, 10576, 10792, 12559, 13220, 13490, 21584, 25118, 26440, 26980, 46931, 50236, 52880, 53960, 62795, 93862, 100472, 107920, 125590, 187724, 200944, 234655, 251180, 375448, 469310, 502360, 750896, 891689, 938620, 1004720, 1783378, 1877240, 3566756, 3754480, 4458445, 7133512, 8916890, 14267024, 17833780, 35667560, 71335120]

約数ペア:

[(1, 71335120), (2, 35667560), (4, 17833780), (5, 14267024), (8, 8916890), (10, 7133512), (16, 4458445), (19, 3754480), (20, 3566756), (38, 1877240), (40, 1783378), (71, 1004720), (76, 938620), (80, 891689), (95, 750896), (142, 502360), (152, 469310), (190, 375448), (284, 251180), (304, 234655), (355, 200944), (380, 187724), (568, 125590), (661, 107920), (710, 100472), (760, 93862), (1136, 62795), (1322, 53960), (1349, 52880), (1420, 50236), (1520, 46931), (2644, 26980), (2698, 26440), (2840, 25118), (3305, 21584), (5288, 13490), (5396, 13220), (5680, 12559), (6610, 10792), (6745, 10576)]