64894740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{25153}}^1$

素因数の和:25208

約数の個数: 48

約数和(自身を含む): 185938368

約数和(自身を除く): 121043628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 25153, 50306, 75459, 100612, 125765, 150918, 251530, 301836, 377295, 503060, 754590, 1081579, 1509180, 2163158, 3244737, 4326316, 5407895, 6489474, 10815790, 12978948, 16223685, 21631580, 32447370, 64894740]

約数ペア:

[(1, 64894740), (2, 32447370), (3, 21631580), (4, 16223685), (5, 12978948), (6, 10815790), (10, 6489474), (12, 5407895), (15, 4326316), (20, 3244737), (30, 2163158), (43, 1509180), (60, 1081579), (86, 754590), (129, 503060), (172, 377295), (215, 301836), (258, 251530), (430, 150918), (516, 125765), (645, 100612), (860, 75459), (1290, 50306), (2580, 25153)]