75215980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 198567936

約数和(自身を除く): 123351956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 47, 49, 70, 71, 92, 94, 98, 115, 140, 142, 161, 188, 196, 230, 235, 245, 284, 322, 329, 355, 460, 470, 490, 497, 644, 658, 710, 805, 940, 980, 994, 1081, 1127, 1316, 1420, 1610, 1633, 1645, 1988, 2162, 2254, 2303, 2485, 3220, 3266, 3290, 3337, 3479, 4324, 4508, 4606, 4970, 5405, 5635, 6532, 6580, 6674, 6958, 7567, 8165, 9212, 9940, 10810, 11270, 11431, 11515, 13348, 13916, 15134, 16330, 16685, 17395, 21620, 22540, 22862, 23030, 23359, 30268, 32660, 33370, 34790, 37835, 45724, 46060, 46718, 52969, 57155, 66740, 69580, 75670, 76751, 80017, 93436, 105938, 114310, 116795, 151340, 153502, 160034, 163513, 211876, 228620, 233590, 264845, 307004, 320068, 327026, 383755, 400085, 467180, 529690, 537257, 654052, 767510, 800170, 817565, 1059380, 1074514, 1535020, 1600340, 1635130, 2149028, 2686285, 3270260, 3760799, 5372570, 7521598, 10745140, 15043196, 18803995, 37607990, 75215980]

約数ペア:

[(1, 75215980), (2, 37607990), (4, 18803995), (5, 15043196), (7, 10745140), (10, 7521598), (14, 5372570), (20, 3760799), (23, 3270260), (28, 2686285), (35, 2149028), (46, 1635130), (47, 1600340), (49, 1535020), (70, 1074514), (71, 1059380), (92, 817565), (94, 800170), (98, 767510), (115, 654052), (140, 537257), (142, 529690), (161, 467180), (188, 400085), (196, 383755), (230, 327026), (235, 320068), (245, 307004), (284, 264845), (322, 233590), (329, 228620), (355, 211876), (460, 163513), (470, 160034), (490, 153502), (497, 151340), (644, 116795), (658, 114310), (710, 105938), (805, 93436), (940, 80017), (980, 76751), (994, 75670), (1081, 69580), (1127, 66740), (1316, 57155), (1420, 52969), (1610, 46718), (1633, 46060), (1645, 45724), (1988, 37835), (2162, 34790), (2254, 33370), (2303, 32660), (2485, 30268), (3220, 23359), (3266, 23030), (3290, 22862), (3337, 22540), (3479, 21620), (4324, 17395), (4508, 16685), (4606, 16330), (4970, 15134), (5405, 13916), (5635, 13348), (6532, 11515), (6580, 11431), (6674, 11270), (6958, 10810), (7567, 9940), (8165, 9212)]