15668928940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{9791}}^1$

素因数の和:9908

約数の個数: 144

約数和(自身を含む): 40507858944

約数和(自身を除く): 24838930004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 71, 92, 98, 115, 140, 142, 161, 196, 230, 245, 284, 322, 355, 460, 490, 497, 644, 710, 805, 980, 994, 1127, 1420, 1610, 1633, 1988, 2254, 2485, 3220, 3266, 3479, 4508, 4970, 5635, 6532, 6958, 8165, 9791, 9940, 11270, 11431, 13916, 16330, 17395, 19582, 22540, 22862, 32660, 34790, 39164, 45724, 48955, 57155, 68537, 69580, 80017, 97910, 114310, 137074, 160034, 195820, 225193, 228620, 274148, 320068, 342685, 400085, 450386, 479759, 685370, 695161, 800170, 900772, 959518, 1125965, 1370740, 1390322, 1576351, 1600340, 1919036, 2251930, 2398795, 2780644, 3152702, 3475805, 4503860, 4797590, 4866127, 6305404, 6951610, 7881755, 9595180, 9732254, 11034457, 13903220, 15763510, 15988703, 19464508, 22068914, 24330635, 31527020, 31977406, 34062889, 44137828, 48661270, 55172285, 63954812, 68125778, 79943515, 97322540, 110344570, 111920921, 136251556, 159887030, 170314445, 220689140, 223841842, 319774060, 340628890, 447683684, 559604605, 681257780, 783446447, 1119209210, 1566892894, 2238418420, 3133785788, 3917232235, 7834464470, 15668928940]

約数ペア:

[(1, 15668928940), (2, 7834464470), (4, 3917232235), (5, 3133785788), (7, 2238418420), (10, 1566892894), (14, 1119209210), (20, 783446447), (23, 681257780), (28, 559604605), (35, 447683684), (46, 340628890), (49, 319774060), (70, 223841842), (71, 220689140), (92, 170314445), (98, 159887030), (115, 136251556), (140, 111920921), (142, 110344570), (161, 97322540), (196, 79943515), (230, 68125778), (245, 63954812), (284, 55172285), (322, 48661270), (355, 44137828), (460, 34062889), (490, 31977406), (497, 31527020), (644, 24330635), (710, 22068914), (805, 19464508), (980, 15988703), (994, 15763510), (1127, 13903220), (1420, 11034457), (1610, 9732254), (1633, 9595180), (1988, 7881755), (2254, 6951610), (2485, 6305404), (3220, 4866127), (3266, 4797590), (3479, 4503860), (4508, 3475805), (4970, 3152702), (5635, 2780644), (6532, 2398795), (6958, 2251930), (8165, 1919036), (9791, 1600340), (9940, 1576351), (11270, 1390322), (11431, 1370740), (13916, 1125965), (16330, 959518), (17395, 900772), (19582, 800170), (22540, 695161), (22862, 685370), (32660, 479759), (34790, 450386), (39164, 400085), (45724, 342685), (48955, 320068), (57155, 274148), (68537, 228620), (69580, 225193), (80017, 195820), (97910, 160034), (114310, 137074)]