71905960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3617}}^1$

素因数の和:3706

約数の個数: 64

約数和(自身を含む): 187557120

約数和(自身を除く): 115651160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3617, 3976, 4970, 7234, 9940, 14468, 18085, 19880, 25319, 28936, 36170, 50638, 72340, 101276, 126595, 144680, 202552, 253190, 256807, 506380, 513614, 1012760, 1027228, 1284035, 1797649, 2054456, 2568070, 3595298, 5136140, 7190596, 8988245, 10272280, 14381192, 17976490, 35952980, 71905960]

約数ペア:

[(1, 71905960), (2, 35952980), (4, 17976490), (5, 14381192), (7, 10272280), (8, 8988245), (10, 7190596), (14, 5136140), (20, 3595298), (28, 2568070), (35, 2054456), (40, 1797649), (56, 1284035), (70, 1027228), (71, 1012760), (140, 513614), (142, 506380), (280, 256807), (284, 253190), (355, 202552), (497, 144680), (568, 126595), (710, 101276), (994, 72340), (1420, 50638), (1988, 36170), (2485, 28936), (2840, 25319), (3617, 19880), (3976, 18085), (4970, 14468), (7234, 9940)]