128839740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2147329}}^1$

素因数の和:2147341

約数の個数: 24

約数和(自身を含む): 360751440

約数和(自身を除く): 231911700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2147329, 4294658, 6441987, 8589316, 10736645, 12883974, 21473290, 25767948, 32209935, 42946580, 64419870, 128839740]

約数ペア:

[(1, 128839740), (2, 64419870), (3, 42946580), (4, 32209935), (5, 25767948), (6, 21473290), (10, 12883974), (12, 10736645), (15, 8589316), (20, 6441987), (30, 4294658), (60, 2147329)]