1566257680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{65479}}^1$

素因数の和:65528

約数の個数: 80

約数和(自身を含む): 4092238080

約数和(自身を除く): 2525980400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 4784, 5980, 11960, 23920, 65479, 130958, 261916, 327395, 523832, 654790, 851227, 1047664, 1309580, 1506017, 1702454, 2619160, 3012034, 3404908, 4256135, 5238320, 6024068, 6809816, 7530085, 8512270, 12048136, 13619632, 15060170, 17024540, 19578221, 24096272, 30120340, 34049080, 39156442, 60240680, 68098160, 78312884, 97891105, 120481360, 156625768, 195782210, 313251536, 391564420, 783128840, 1566257680]

約数ペア:

[(1, 1566257680), (2, 783128840), (4, 391564420), (5, 313251536), (8, 195782210), (10, 156625768), (13, 120481360), (16, 97891105), (20, 78312884), (23, 68098160), (26, 60240680), (40, 39156442), (46, 34049080), (52, 30120340), (65, 24096272), (80, 19578221), (92, 17024540), (104, 15060170), (115, 13619632), (130, 12048136), (184, 8512270), (208, 7530085), (230, 6809816), (260, 6024068), (299, 5238320), (368, 4256135), (460, 3404908), (520, 3012034), (598, 2619160), (920, 1702454), (1040, 1506017), (1196, 1309580), (1495, 1047664), (1840, 851227), (2392, 654790), (2990, 523832), (4784, 327395), (5980, 261916), (11960, 130958), (23920, 65479)]