128388760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8209}}^1$

素因数の和:8260

約数の個数: 64

約数和(自身を含む): 319204800

約数和(自身を除く): 190816040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 3128, 3910, 7820, 8209, 15640, 16418, 32836, 41045, 65672, 82090, 139553, 164180, 188807, 279106, 328360, 377614, 558212, 697765, 755228, 944035, 1116424, 1395530, 1510456, 1888070, 2791060, 3209719, 3776140, 5582120, 6419438, 7552280, 12838876, 16048595, 25677752, 32097190, 64194380, 128388760]

約数ペア:

[(1, 128388760), (2, 64194380), (4, 32097190), (5, 25677752), (8, 16048595), (10, 12838876), (17, 7552280), (20, 6419438), (23, 5582120), (34, 3776140), (40, 3209719), (46, 2791060), (68, 1888070), (85, 1510456), (92, 1395530), (115, 1116424), (136, 944035), (170, 755228), (184, 697765), (230, 558212), (340, 377614), (391, 328360), (460, 279106), (680, 188807), (782, 164180), (920, 139553), (1564, 82090), (1955, 65672), (3128, 41045), (3910, 32836), (7820, 16418), (8209, 15640)]