155588680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547}}^2$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 377693820

約数和(自身を除く): 222105140

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 547, 1094, 2188, 2735, 4376, 5470, 7111, 10940, 14222, 21880, 28444, 35555, 56888, 71110, 142220, 284440, 299209, 598418, 1196836, 1496045, 2393672, 2992090, 3889717, 5984180, 7779434, 11968360, 15558868, 19448585, 31117736, 38897170, 77794340, 155588680]

約数ペア:

[(1, 155588680), (2, 77794340), (4, 38897170), (5, 31117736), (8, 19448585), (10, 15558868), (13, 11968360), (20, 7779434), (26, 5984180), (40, 3889717), (52, 2992090), (65, 2393672), (104, 1496045), (130, 1196836), (260, 598418), (520, 299209), (547, 284440), (1094, 142220), (2188, 71110), (2735, 56888), (4376, 35555), (5470, 28444), (7111, 21880), (10940, 14222)]