72970140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28283}}^1$

素因数の和:28338

約数の個数: 48

約数和(自身を含む): 209075328

約数和(自身を除く): 136105188

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, 28283, 56566, 84849, 113132, 141415, 169698, 282830, 339396, 424245, 565660, 848490, 1216169, 1696980, 2432338, 3648507, 4864676, 6080845, 7297014, 12161690, 14594028, 18242535, 24323380, 36485070, 72970140]

約数ペア:

[(1, 72970140), (2, 36485070), (3, 24323380), (4, 18242535), (5, 14594028), (6, 12161690), (10, 7297014), (12, 6080845), (15, 4864676), (20, 3648507), (30, 2432338), (43, 1696980), (60, 1216169), (86, 848490), (129, 565660), (172, 424245), (215, 339396), (258, 282830), (430, 169698), (516, 141415), (645, 113132), (860, 84849), (1290, 56566), (2580, 28283)]