281618040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1117}}^1$

素因数の和:1333

約数の個数: 128

約数和(自身を含む): 927313920

約数和(自身を除く): 645695880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 191, 220, 264, 330, 382, 440, 573, 660, 764, 955, 1117, 1146, 1320, 1528, 1910, 2101, 2234, 2292, 2865, 3351, 3820, 4202, 4468, 4584, 5585, 5730, 6303, 6702, 7640, 8404, 8936, 10505, 11170, 11460, 12287, 12606, 13404, 16755, 16808, 21010, 22340, 22920, 24574, 25212, 26808, 31515, 33510, 36861, 42020, 44680, 49148, 50424, 61435, 63030, 67020, 73722, 84040, 98296, 122870, 126060, 134040, 147444, 184305, 213347, 245740, 252120, 294888, 368610, 426694, 491480, 640041, 737220, 853388, 1066735, 1280082, 1474440, 1706776, 2133470, 2346817, 2560164, 3200205, 4266940, 4693634, 5120328, 6400410, 7040451, 8533880, 9387268, 11734085, 12800820, 14080902, 18774536, 23468170, 25601640, 28161804, 35202255, 46936340, 56323608, 70404510, 93872680, 140809020, 281618040]

約数ペア:

[(1, 281618040), (2, 140809020), (3, 93872680), (4, 70404510), (5, 56323608), (6, 46936340), (8, 35202255), (10, 28161804), (11, 25601640), (12, 23468170), (15, 18774536), (20, 14080902), (22, 12800820), (24, 11734085), (30, 9387268), (33, 8533880), (40, 7040451), (44, 6400410), (55, 5120328), (60, 4693634), (66, 4266940), (88, 3200205), (110, 2560164), (120, 2346817), (132, 2133470), (165, 1706776), (191, 1474440), (220, 1280082), (264, 1066735), (330, 853388), (382, 737220), (440, 640041), (573, 491480), (660, 426694), (764, 368610), (955, 294888), (1117, 252120), (1146, 245740), (1320, 213347), (1528, 184305), (1910, 147444), (2101, 134040), (2234, 126060), (2292, 122870), (2865, 98296), (3351, 84040), (3820, 73722), (4202, 67020), (4468, 63030), (4584, 61435), (5585, 50424), (5730, 49148), (6303, 44680), (6702, 42020), (7640, 36861), (8404, 33510), (8936, 31515), (10505, 26808), (11170, 25212), (11460, 24574), (12287, 22920), (12606, 22340), (13404, 21010), (16755, 16808)]