201257820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 642987072

約数和(自身を除く): 441729252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 173, 180, 207, 230, 276, 281, 345, 346, 414, 460, 519, 562, 690, 692, 828, 843, 865, 1035, 1038, 1124, 1380, 1405, 1557, 1686, 1730, 2070, 2076, 2529, 2595, 2810, 3114, 3372, 3460, 3979, 4140, 4215, 5058, 5190, 5620, 6228, 6463, 7785, 7958, 8430, 10116, 10380, 11937, 12645, 12926, 15570, 15916, 16860, 19389, 19895, 23874, 25290, 25852, 31140, 32315, 35811, 38778, 39790, 47748, 48613, 50580, 58167, 59685, 64630, 71622, 77556, 79580, 96945, 97226, 116334, 119370, 129260, 143244, 145839, 179055, 193890, 194452, 232668, 238740, 243065, 290835, 291678, 358110, 387780, 437517, 486130, 581670, 583356, 716220, 729195, 875034, 972260, 1118099, 1163340, 1458390, 1750068, 2187585, 2236198, 2916780, 3354297, 4375170, 4472396, 5590495, 6708594, 8750340, 10062891, 11180990, 13417188, 16771485, 20125782, 22361980, 33542970, 40251564, 50314455, 67085940, 100628910, 201257820]

約数ペア:

[(1, 201257820), (2, 100628910), (3, 67085940), (4, 50314455), (5, 40251564), (6, 33542970), (9, 22361980), (10, 20125782), (12, 16771485), (15, 13417188), (18, 11180990), (20, 10062891), (23, 8750340), (30, 6708594), (36, 5590495), (45, 4472396), (46, 4375170), (60, 3354297), (69, 2916780), (90, 2236198), (92, 2187585), (115, 1750068), (138, 1458390), (173, 1163340), (180, 1118099), (207, 972260), (230, 875034), (276, 729195), (281, 716220), (345, 583356), (346, 581670), (414, 486130), (460, 437517), (519, 387780), (562, 358110), (690, 291678), (692, 290835), (828, 243065), (843, 238740), (865, 232668), (1035, 194452), (1038, 193890), (1124, 179055), (1380, 145839), (1405, 143244), (1557, 129260), (1686, 119370), (1730, 116334), (2070, 97226), (2076, 96945), (2529, 79580), (2595, 77556), (2810, 71622), (3114, 64630), (3372, 59685), (3460, 58167), (3979, 50580), (4140, 48613), (4215, 47748), (5058, 39790), (5190, 38778), (5620, 35811), (6228, 32315), (6463, 31140), (7785, 25852), (7958, 25290), (8430, 23874), (10116, 19895), (10380, 19389), (11937, 16860), (12645, 15916), (12926, 15570)]