164151820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 411586560

約数和(自身を除く): 247434740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 109, 124, 140, 155, 217, 218, 310, 347, 434, 436, 545, 620, 694, 763, 868, 1085, 1090, 1388, 1526, 1735, 2170, 2180, 2429, 3052, 3379, 3470, 3815, 4340, 4858, 6758, 6940, 7630, 9716, 10757, 12145, 13516, 15260, 16895, 21514, 23653, 24290, 33790, 37823, 43028, 47306, 48580, 53785, 67580, 75299, 75646, 94612, 107570, 118265, 150598, 151292, 189115, 215140, 236530, 264761, 301196, 376495, 378230, 473060, 529522, 752990, 756460, 1059044, 1172513, 1323805, 1505980, 2345026, 2647610, 4690052, 5295220, 5862565, 8207591, 11725130, 16415182, 23450260, 32830364, 41037955, 82075910, 164151820]

約数ペア:

[(1, 164151820), (2, 82075910), (4, 41037955), (5, 32830364), (7, 23450260), (10, 16415182), (14, 11725130), (20, 8207591), (28, 5862565), (31, 5295220), (35, 4690052), (62, 2647610), (70, 2345026), (109, 1505980), (124, 1323805), (140, 1172513), (155, 1059044), (217, 756460), (218, 752990), (310, 529522), (347, 473060), (434, 378230), (436, 376495), (545, 301196), (620, 264761), (694, 236530), (763, 215140), (868, 189115), (1085, 151292), (1090, 150598), (1388, 118265), (1526, 107570), (1735, 94612), (2170, 75646), (2180, 75299), (2429, 67580), (3052, 53785), (3379, 48580), (3470, 47306), (3815, 43028), (4340, 37823), (4858, 33790), (6758, 24290), (6940, 23653), (7630, 21514), (9716, 16895), (10757, 15260), (12145, 13516)]