72412760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{258617}}^1$

素因数の和:258635

約数の個数: 32

約数和(自身を含む): 186204960

約数和(自身を除く): 113792200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 258617, 517234, 1034468, 1293085, 1810319, 2068936, 2586170, 3620638, 5172340, 7241276, 9051595, 10344680, 14482552, 18103190, 36206380, 72412760]

約数ペア:

[(1, 72412760), (2, 36206380), (4, 18103190), (5, 14482552), (7, 10344680), (8, 9051595), (10, 7241276), (14, 5172340), (20, 3620638), (28, 2586170), (35, 2068936), (40, 1810319), (56, 1293085), (70, 1034468), (140, 517234), (280, 258617)]