71130640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1789}}^1$

素因数の和:1880

約数の個数: 80

約数和(自身を含む): 191773440

約数和(自身を除く): 120642800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1789, 1988, 2485, 2840, 3578, 3976, 4970, 5680, 7156, 7952, 8945, 9940, 12523, 14312, 17890, 19880, 25046, 28624, 35780, 39760, 50092, 62615, 71560, 100184, 125230, 127019, 143120, 200368, 250460, 254038, 500920, 508076, 635095, 889133, 1001840, 1016152, 1270190, 1778266, 2032304, 2540380, 3556532, 4445665, 5080760, 7113064, 8891330, 10161520, 14226128, 17782660, 35565320, 71130640]

約数ペア:

[(1, 71130640), (2, 35565320), (4, 17782660), (5, 14226128), (7, 10161520), (8, 8891330), (10, 7113064), (14, 5080760), (16, 4445665), (20, 3556532), (28, 2540380), (35, 2032304), (40, 1778266), (56, 1270190), (70, 1016152), (71, 1001840), (80, 889133), (112, 635095), (140, 508076), (142, 500920), (280, 254038), (284, 250460), (355, 200368), (497, 143120), (560, 127019), (568, 125230), (710, 100184), (994, 71560), (1136, 62615), (1420, 50092), (1789, 39760), (1988, 35780), (2485, 28624), (2840, 25046), (3578, 19880), (3976, 17890), (4970, 14312), (5680, 12523), (7156, 9940), (7952, 8945)]