78053080

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{5689}}^1$

素因数の和:5721

約数の個数: 64

約数和(自身を含む): 204840000

約数和(自身を除く): 126786920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 5689, 6860, 11378, 13720, 22756, 28445, 39823, 45512, 56890, 79646, 113780, 159292, 199115, 227560, 278761, 318584, 398230, 557522, 796460, 1115044, 1393805, 1592920, 1951327, 2230088, 2787610, 3902654, 5575220, 7805308, 9756635, 11150440, 15610616, 19513270, 39026540, 78053080]

約数ペア:

[(1, 78053080), (2, 39026540), (4, 19513270), (5, 15610616), (7, 11150440), (8, 9756635), (10, 7805308), (14, 5575220), (20, 3902654), (28, 2787610), (35, 2230088), (40, 1951327), (49, 1592920), (56, 1393805), (70, 1115044), (98, 796460), (140, 557522), (196, 398230), (245, 318584), (280, 278761), (343, 227560), (392, 199115), (490, 159292), (686, 113780), (980, 79646), (1372, 56890), (1715, 45512), (1960, 39823), (2744, 28445), (3430, 22756), (5689, 13720), (6860, 11378)]