77145040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{397}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 206093952

約数和(自身を除く): 128948912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 347, 397, 560, 694, 794, 1388, 1588, 1735, 1985, 2429, 2776, 2779, 3176, 3470, 3970, 4858, 5552, 5558, 6352, 6940, 7940, 9716, 11116, 12145, 13880, 13895, 15880, 19432, 22232, 24290, 27760, 27790, 31760, 38864, 44464, 48580, 55580, 97160, 111160, 137759, 194320, 222320, 275518, 551036, 688795, 964313, 1102072, 1377590, 1928626, 2204144, 2755180, 3857252, 4821565, 5510360, 7714504, 9643130, 11020720, 15429008, 19286260, 38572520, 77145040]

約数ペア:

[(1, 77145040), (2, 38572520), (4, 19286260), (5, 15429008), (7, 11020720), (8, 9643130), (10, 7714504), (14, 5510360), (16, 4821565), (20, 3857252), (28, 2755180), (35, 2204144), (40, 1928626), (56, 1377590), (70, 1102072), (80, 964313), (112, 688795), (140, 551036), (280, 275518), (347, 222320), (397, 194320), (560, 137759), (694, 111160), (794, 97160), (1388, 55580), (1588, 48580), (1735, 44464), (1985, 38864), (2429, 31760), (2776, 27790), (2779, 27760), (3176, 24290), (3470, 22232), (3970, 19432), (4858, 15880), (5552, 13895), (5558, 13880), (6352, 12145), (6940, 11116), (7940, 9716)]