161180985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1231}}^1$

素因数の和:1318

約数の個数: 64

約数和(自身を含む): 312238080

約数和(自身を除く): 151057095

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 43, 87, 105, 129, 145, 203, 215, 301, 435, 609, 645, 903, 1015, 1231, 1247, 1505, 3045, 3693, 3741, 4515, 6155, 6235, 8617, 8729, 18465, 18705, 25851, 26187, 35699, 43085, 43645, 52933, 107097, 129255, 130935, 158799, 178495, 249893, 264665, 370531, 535485, 749679, 793995, 1111593, 1249465, 1535057, 1852655, 3748395, 4605171, 5557965, 7675285, 10745399, 23025855, 32236197, 53726995, 161180985]

約数ペア:

[(1, 161180985), (3, 53726995), (5, 32236197), (7, 23025855), (15, 10745399), (21, 7675285), (29, 5557965), (35, 4605171), (43, 3748395), (87, 1852655), (105, 1535057), (129, 1249465), (145, 1111593), (203, 793995), (215, 749679), (301, 535485), (435, 370531), (609, 264665), (645, 249893), (903, 178495), (1015, 158799), (1231, 130935), (1247, 129255), (1505, 107097), (3045, 52933), (3693, 43645), (3741, 43085), (4515, 35699), (6155, 26187), (6235, 25851), (8617, 18705), (8729, 18465)]