131765640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{64591}}^1$

素因数の和:64622

約数の個数: 64

約数和(自身を含む): 418556160

約数和(自身を除く): 286790520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 64591, 129182, 193773, 258364, 322955, 387546, 516728, 645910, 775092, 968865, 1098047, 1291820, 1550184, 1937730, 2196094, 2583640, 3294141, 3875460, 4392188, 5490235, 6588282, 7750920, 8784376, 10980470, 13176564, 16470705, 21960940, 26353128, 32941410, 43921880, 65882820, 131765640]

約数ペア:

[(1, 131765640), (2, 65882820), (3, 43921880), (4, 32941410), (5, 26353128), (6, 21960940), (8, 16470705), (10, 13176564), (12, 10980470), (15, 8784376), (17, 7750920), (20, 6588282), (24, 5490235), (30, 4392188), (34, 3875460), (40, 3294141), (51, 2583640), (60, 2196094), (68, 1937730), (85, 1550184), (102, 1291820), (120, 1098047), (136, 968865), (170, 775092), (204, 645910), (255, 516728), (340, 387546), (408, 322955), (510, 258364), (680, 193773), (1020, 129182), (2040, 64591)]