154518560

素因数分解:

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

素因数の和:19738

約数の個数: 72

約数和(自身を含む): 424671660

約数和(自身を除く): 270153100

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 19709, 39418, 78836, 98545, 137963, 157672, 197090, 275926, 315344, 394180, 551852, 630688, 689815, 788360, 965741, 1103704, 1379630, 1576720, 1931482, 2207408, 2759260, 3153440, 3862964, 4414816, 4828705, 5518520, 7725928, 9657410, 11037040, 15451856, 19314820, 22074080, 30903712, 38629640, 77259280, 154518560]

約数ペア:

[(1, 154518560), (2, 77259280), (4, 38629640), (5, 30903712), (7, 22074080), (8, 19314820), (10, 15451856), (14, 11037040), (16, 9657410), (20, 7725928), (28, 5518520), (32, 4828705), (35, 4414816), (40, 3862964), (49, 3153440), (56, 2759260), (70, 2207408), (80, 1931482), (98, 1576720), (112, 1379630), (140, 1103704), (160, 965741), (196, 788360), (224, 689815), (245, 630688), (280, 551852), (392, 394180), (490, 315344), (560, 275926), (784, 197090), (980, 157672), (1120, 137963), (1568, 98545), (1960, 78836), (3920, 39418), (7840, 19709)]