30271480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 70567200

約数和(自身を除く): 40295720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 109, 131, 212, 218, 262, 265, 424, 436, 524, 530, 545, 655, 872, 1048, 1060, 1090, 1310, 2120, 2180, 2620, 4360, 5240, 5777, 6943, 11554, 13886, 14279, 23108, 27772, 28558, 28885, 34715, 46216, 55544, 57116, 57770, 69430, 71395, 114232, 115540, 138860, 142790, 231080, 277720, 285580, 571160, 756787, 1513574, 3027148, 3783935, 6054296, 7567870, 15135740, 30271480]

約数ペア:

[(1, 30271480), (2, 15135740), (4, 7567870), (5, 6054296), (8, 3783935), (10, 3027148), (20, 1513574), (40, 756787), (53, 571160), (106, 285580), (109, 277720), (131, 231080), (212, 142790), (218, 138860), (262, 115540), (265, 114232), (424, 71395), (436, 69430), (524, 57770), (530, 57116), (545, 55544), (655, 46216), (872, 34715), (1048, 28885), (1060, 28558), (1090, 27772), (1310, 23108), (2120, 14279), (2180, 13886), (2620, 11554), (4360, 6943), (5240, 5777)]