79536780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2243}}^1$

素因数の和:2455

約数の個数: 72

約数和(自身を含む): 242594352

約数和(自身を除く): 163057572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2243, 2364, 2955, 3546, 3940, 4486, 5910, 6729, 7092, 8865, 8972, 11215, 11820, 13458, 17730, 20187, 22430, 26916, 33645, 35460, 40374, 44860, 67290, 80748, 100935, 134580, 201870, 403740, 441871, 883742, 1325613, 1767484, 2209355, 2651226, 3976839, 4418710, 5302452, 6628065, 7953678, 8837420, 13256130, 15907356, 19884195, 26512260, 39768390, 79536780]

約数ペア:

[(1, 79536780), (2, 39768390), (3, 26512260), (4, 19884195), (5, 15907356), (6, 13256130), (9, 8837420), (10, 7953678), (12, 6628065), (15, 5302452), (18, 4418710), (20, 3976839), (30, 2651226), (36, 2209355), (45, 1767484), (60, 1325613), (90, 883742), (180, 441871), (197, 403740), (394, 201870), (591, 134580), (788, 100935), (985, 80748), (1182, 67290), (1773, 44860), (1970, 40374), (2243, 35460), (2364, 33645), (2955, 26916), (3546, 22430), (3940, 20187), (4486, 17730), (5910, 13458), (6729, 11820), (7092, 11215), (8865, 8972)]