77259280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19709}}^1$

素因数の和:19736

約数の個数: 60

約数和(自身を含む): 208965420

約数和(自身を除く): 131706140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 19709, 39418, 78836, 98545, 137963, 157672, 197090, 275926, 315344, 394180, 551852, 689815, 788360, 965741, 1103704, 1379630, 1576720, 1931482, 2207408, 2759260, 3862964, 4828705, 5518520, 7725928, 9657410, 11037040, 15451856, 19314820, 38629640, 77259280]

約数ペア:

[(1, 77259280), (2, 38629640), (4, 19314820), (5, 15451856), (7, 11037040), (8, 9657410), (10, 7725928), (14, 5518520), (16, 4828705), (20, 3862964), (28, 2759260), (35, 2207408), (40, 1931482), (49, 1576720), (56, 1379630), (70, 1103704), (80, 965741), (98, 788360), (112, 689815), (140, 551852), (196, 394180), (245, 315344), (280, 275926), (392, 197090), (490, 157672), (560, 137963), (784, 98545), (980, 78836), (1960, 39418), (3920, 19709)]