151931720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223429}}^1$

素因数の和:223457

約数の個数: 32

約数和(自身を含む): 361956600

約数和(自身を除く): 210024880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 223429, 446858, 893716, 1117145, 1787432, 2234290, 3798293, 4468580, 7596586, 8937160, 15193172, 18991465, 30386344, 37982930, 75965860, 151931720]

約数ペア:

[(1, 151931720), (2, 75965860), (4, 37982930), (5, 30386344), (8, 18991465), (10, 15193172), (17, 8937160), (20, 7596586), (34, 4468580), (40, 3798293), (68, 2234290), (85, 1787432), (136, 1117145), (170, 893716), (340, 446858), (680, 223429)]