79017680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{947}}^1$

素因数の和:1116

約数の個数: 80

約数和(自身を含む): 211593600

約数和(自身を除く): 132575920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 149, 280, 298, 560, 596, 745, 947, 1043, 1192, 1490, 1894, 2086, 2384, 2980, 3788, 4172, 4735, 5215, 5960, 6629, 7576, 8344, 9470, 10430, 11920, 13258, 15152, 16688, 18940, 20860, 26516, 33145, 37880, 41720, 53032, 66290, 75760, 83440, 106064, 132580, 141103, 265160, 282206, 530320, 564412, 705515, 987721, 1128824, 1411030, 1975442, 2257648, 2822060, 3950884, 4938605, 5644120, 7901768, 9877210, 11288240, 15803536, 19754420, 39508840, 79017680]

約数ペア:

[(1, 79017680), (2, 39508840), (4, 19754420), (5, 15803536), (7, 11288240), (8, 9877210), (10, 7901768), (14, 5644120), (16, 4938605), (20, 3950884), (28, 2822060), (35, 2257648), (40, 1975442), (56, 1411030), (70, 1128824), (80, 987721), (112, 705515), (140, 564412), (149, 530320), (280, 282206), (298, 265160), (560, 141103), (596, 132580), (745, 106064), (947, 83440), (1043, 75760), (1192, 66290), (1490, 53032), (1894, 41720), (2086, 37880), (2384, 33145), (2980, 26516), (3788, 20860), (4172, 18940), (4735, 16688), (5215, 15152), (5960, 13258), (6629, 11920), (7576, 10430), (8344, 9470)]