678210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 64

約数和(自身を含む): 1838592

約数和(自身を除く): 1160382

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 47, 65, 74, 78, 94, 111, 130, 141, 185, 195, 222, 235, 282, 370, 390, 470, 481, 555, 611, 705, 962, 1110, 1222, 1410, 1443, 1739, 1833, 2405, 2886, 3055, 3478, 3666, 4810, 5217, 6110, 7215, 8695, 9165, 10434, 14430, 17390, 18330, 22607, 26085, 45214, 52170, 67821, 113035, 135642, 226070, 339105, 678210]

約数ペア:

[(1, 678210), (2, 339105), (3, 226070), (5, 135642), (6, 113035), (10, 67821), (13, 52170), (15, 45214), (26, 26085), (30, 22607), (37, 18330), (39, 17390), (47, 14430), (65, 10434), (74, 9165), (78, 8695), (94, 7215), (111, 6110), (130, 5217), (141, 4810), (185, 3666), (195, 3478), (222, 3055), (235, 2886), (282, 2405), (370, 1833), (390, 1739), (470, 1443), (481, 1410), (555, 1222), (611, 1110), (705, 962)]