7778340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 23936640

約数和(自身を除く): 16158300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 547, 711, 790, 948, 1094, 1185, 1422, 1580, 1641, 2188, 2370, 2735, 2844, 3282, 3555, 4740, 4923, 5470, 6564, 7110, 8205, 9846, 10940, 14220, 16410, 19692, 24615, 32820, 43213, 49230, 86426, 98460, 129639, 172852, 216065, 259278, 388917, 432130, 518556, 648195, 777834, 864260, 1296390, 1555668, 1944585, 2592780, 3889170, 7778340]

約数ペア:

[(1, 7778340), (2, 3889170), (3, 2592780), (4, 1944585), (5, 1555668), (6, 1296390), (9, 864260), (10, 777834), (12, 648195), (15, 518556), (18, 432130), (20, 388917), (30, 259278), (36, 216065), (45, 172852), (60, 129639), (79, 98460), (90, 86426), (158, 49230), (180, 43213), (237, 32820), (316, 24615), (395, 19692), (474, 16410), (547, 14220), (711, 10940), (790, 9846), (948, 8205), (1094, 7110), (1185, 6564), (1422, 5470), (1580, 4923), (1641, 4740), (2188, 3555), (2370, 3282), (2735, 2844)]