1291119120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{22699}}^1$

素因数の和:22797

約数の個数: 120

約数和(自身を含む): 4391088000

約数和(自身を除く): 3099968880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1580, 1896, 2370, 2844, 3160, 3555, 3792, 4740, 5688, 6320, 7110, 9480, 11376, 14220, 18960, 22699, 28440, 45398, 56880, 68097, 90796, 113495, 136194, 181592, 204291, 226990, 272388, 340485, 363184, 408582, 453980, 544776, 680970, 817164, 907960, 1021455, 1089552, 1361940, 1634328, 1793221, 1815920, 2042910, 2723880, 3268656, 3586442, 4085820, 5379663, 5447760, 7172884, 8171640, 8966105, 10759326, 14345768, 16138989, 16343280, 17932210, 21518652, 26898315, 28691536, 32277978, 35864420, 43037304, 53796630, 64555956, 71728840, 80694945, 86074608, 107593260, 129111912, 143457680, 161389890, 215186520, 258223824, 322779780, 430373040, 645559560, 1291119120]

約数ペア:

[(1, 1291119120), (2, 645559560), (3, 430373040), (4, 322779780), (5, 258223824), (6, 215186520), (8, 161389890), (9, 143457680), (10, 129111912), (12, 107593260), (15, 86074608), (16, 80694945), (18, 71728840), (20, 64555956), (24, 53796630), (30, 43037304), (36, 35864420), (40, 32277978), (45, 28691536), (48, 26898315), (60, 21518652), (72, 17932210), (79, 16343280), (80, 16138989), (90, 14345768), (120, 10759326), (144, 8966105), (158, 8171640), (180, 7172884), (237, 5447760), (240, 5379663), (316, 4085820), (360, 3586442), (395, 3268656), (474, 2723880), (632, 2042910), (711, 1815920), (720, 1793221), (790, 1634328), (948, 1361940), (1185, 1089552), (1264, 1021455), (1422, 907960), (1580, 817164), (1896, 680970), (2370, 544776), (2844, 453980), (3160, 408582), (3555, 363184), (3792, 340485), (4740, 272388), (5688, 226990), (6320, 204291), (7110, 181592), (9480, 136194), (11376, 113495), (14220, 90796), (18960, 68097), (22699, 56880), (28440, 45398)]