660996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 1985984

約数和(自身を除く): 1324988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 61, 63, 84, 86, 122, 126, 129, 172, 183, 244, 252, 258, 301, 366, 387, 427, 516, 549, 602, 732, 774, 854, 903, 1098, 1204, 1281, 1548, 1708, 1806, 2196, 2562, 2623, 2709, 3612, 3843, 5124, 5246, 5418, 7686, 7869, 10492, 10836, 15372, 15738, 18361, 23607, 31476, 36722, 47214, 55083, 73444, 94428, 110166, 165249, 220332, 330498, 660996]

約数ペア:

[(1, 660996), (2, 330498), (3, 220332), (4, 165249), (6, 110166), (7, 94428), (9, 73444), (12, 55083), (14, 47214), (18, 36722), (21, 31476), (28, 23607), (36, 18361), (42, 15738), (43, 15372), (61, 10836), (63, 10492), (84, 7869), (86, 7686), (122, 5418), (126, 5246), (129, 5124), (172, 3843), (183, 3612), (244, 2709), (252, 2623), (258, 2562), (301, 2196), (366, 1806), (387, 1708), (427, 1548), (516, 1281), (549, 1204), (602, 1098), (732, 903), (774, 854)]