64539180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{39839}}^1$

素因数の和:39860

約数の個数: 60

約数和(自身を含む): 202466880

約数和(自身を除く): 137927700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 39839, 79678, 119517, 159356, 199195, 239034, 358551, 398390, 478068, 597585, 717102, 796780, 1075653, 1195170, 1434204, 1792755, 2151306, 2390340, 3226959, 3585510, 4302612, 5378265, 6453918, 7171020, 10756530, 12907836, 16134795, 21513060, 32269590, 64539180]

約数ペア:

[(1, 64539180), (2, 32269590), (3, 21513060), (4, 16134795), (5, 12907836), (6, 10756530), (9, 7171020), (10, 6453918), (12, 5378265), (15, 4302612), (18, 3585510), (20, 3226959), (27, 2390340), (30, 2151306), (36, 1792755), (45, 1434204), (54, 1195170), (60, 1075653), (81, 796780), (90, 717102), (108, 597585), (135, 478068), (162, 398390), (180, 358551), (270, 239034), (324, 199195), (405, 159356), (540, 119517), (810, 79678), (1620, 39839)]