220195728

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{461}}^1$

素因数の和:613

約数の個数: 120

約数和(自身を含む): 643458816

約数和(自身を除く): 423263088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 107, 124, 144, 186, 214, 248, 279, 321, 372, 428, 461, 496, 558, 642, 744, 856, 922, 963, 1116, 1284, 1383, 1488, 1712, 1844, 1926, 2232, 2568, 2766, 3317, 3688, 3852, 4149, 4464, 5136, 5532, 6634, 7376, 7704, 8298, 9951, 11064, 13268, 14291, 15408, 16596, 19902, 22128, 26536, 28582, 29853, 33192, 39804, 42873, 49327, 53072, 57164, 59706, 66384, 79608, 85746, 98654, 114328, 119412, 128619, 147981, 159216, 171492, 197308, 228656, 238824, 257238, 295962, 342984, 394616, 443943, 477648, 514476, 591924, 685968, 789232, 887886, 1028952, 1183848, 1529137, 1775772, 2057904, 2367696, 3058274, 3551544, 4587411, 6116548, 7103088, 9174822, 12233096, 13762233, 18349644, 24466192, 27524466, 36699288, 55048932, 73398576, 110097864, 220195728]

約数ペア:

[(1, 220195728), (2, 110097864), (3, 73398576), (4, 55048932), (6, 36699288), (8, 27524466), (9, 24466192), (12, 18349644), (16, 13762233), (18, 12233096), (24, 9174822), (31, 7103088), (36, 6116548), (48, 4587411), (62, 3551544), (72, 3058274), (93, 2367696), (107, 2057904), (124, 1775772), (144, 1529137), (186, 1183848), (214, 1028952), (248, 887886), (279, 789232), (321, 685968), (372, 591924), (428, 514476), (461, 477648), (496, 443943), (558, 394616), (642, 342984), (744, 295962), (856, 257238), (922, 238824), (963, 228656), (1116, 197308), (1284, 171492), (1383, 159216), (1488, 147981), (1712, 128619), (1844, 119412), (1926, 114328), (2232, 98654), (2568, 85746), (2766, 79608), (3317, 66384), (3688, 59706), (3852, 57164), (4149, 53072), (4464, 49327), (5136, 42873), (5532, 39804), (6634, 33192), (7376, 29853), (7704, 28582), (8298, 26536), (9951, 22128), (11064, 19902), (13268, 16596), (14291, 15408)]