638049480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{123653}}^1$

素因数の和:123710

約数の個数: 64

約数和(自身を含む): 1958679360

約数和(自身を除く): 1320629880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 123653, 247306, 370959, 494612, 618265, 741918, 989224, 1236530, 1483836, 1854795, 2473060, 2967672, 3709590, 4946120, 5317079, 7419180, 10634158, 14838360, 15951237, 21268316, 26585395, 31902474, 42536632, 53170790, 63804948, 79756185, 106341580, 127609896, 159512370, 212683160, 319024740, 638049480]

約数ペア:

[(1, 638049480), (2, 319024740), (3, 212683160), (4, 159512370), (5, 127609896), (6, 106341580), (8, 79756185), (10, 63804948), (12, 53170790), (15, 42536632), (20, 31902474), (24, 26585395), (30, 21268316), (40, 15951237), (43, 14838360), (60, 10634158), (86, 7419180), (120, 5317079), (129, 4946120), (172, 3709590), (215, 2967672), (258, 2473060), (344, 1854795), (430, 1483836), (516, 1236530), (645, 989224), (860, 741918), (1032, 618265), (1290, 494612), (1720, 370959), (2580, 247306), (5160, 123653)]