1981518336

素因数分解:

$2^9\times 3^3\times 7^1\times {\mathrm{20477}}^1$

素因数の和:20511

約数の個数: 160

約数和(自身を含む): 6703678080

約数和(自身を除く): 4722159744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 256, 288, 336, 378, 384, 432, 448, 504, 512, 576, 672, 756, 768, 864, 896, 1008, 1152, 1344, 1512, 1536, 1728, 1792, 2016, 2304, 2688, 3024, 3456, 3584, 4032, 4608, 5376, 6048, 6912, 8064, 10752, 12096, 13824, 16128, 20477, 24192, 32256, 40954, 48384, 61431, 81908, 96768, 122862, 143339, 163816, 184293, 245724, 286678, 327632, 368586, 430017, 491448, 552879, 573356, 655264, 737172, 860034, 982896, 1105758, 1146712, 1290051, 1310528, 1474344, 1720068, 1965792, 2211516, 2293424, 2580102, 2621056, 2948688, 3440136, 3870153, 3931584, 4423032, 4586848, 5160204, 5242112, 5897376, 6880272, 7740306, 7863168, 8846064, 9173696, 10320408, 10484224, 11794752, 13760544, 15480612, 15726336, 17692128, 18347392, 20640816, 23589504, 27521088, 30961224, 31452672, 35384256, 36694784, 41281632, 47179008, 55042176, 61922448, 70768512, 73389568, 82563264, 94358016, 110084352, 123844896, 141537024, 165126528, 220168704, 247689792, 283074048, 330253056, 495379584, 660506112, 990759168, 1981518336]

約数ペア:

[(1, 1981518336), (2, 990759168), (3, 660506112), (4, 495379584), (6, 330253056), (7, 283074048), (8, 247689792), (9, 220168704), (12, 165126528), (14, 141537024), (16, 123844896), (18, 110084352), (21, 94358016), (24, 82563264), (27, 73389568), (28, 70768512), (32, 61922448), (36, 55042176), (42, 47179008), (48, 41281632), (54, 36694784), (56, 35384256), (63, 31452672), (64, 30961224), (72, 27521088), (84, 23589504), (96, 20640816), (108, 18347392), (112, 17692128), (126, 15726336), (128, 15480612), (144, 13760544), (168, 11794752), (189, 10484224), (192, 10320408), (216, 9173696), (224, 8846064), (252, 7863168), (256, 7740306), (288, 6880272), (336, 5897376), (378, 5242112), (384, 5160204), (432, 4586848), (448, 4423032), (504, 3931584), (512, 3870153), (576, 3440136), (672, 2948688), (756, 2621056), (768, 2580102), (864, 2293424), (896, 2211516), (1008, 1965792), (1152, 1720068), (1344, 1474344), (1512, 1310528), (1536, 1290051), (1728, 1146712), (1792, 1105758), (2016, 982896), (2304, 860034), (2688, 737172), (3024, 655264), (3456, 573356), (3584, 552879), (4032, 491448), (4608, 430017), (5376, 368586), (6048, 327632), (6912, 286678), (8064, 245724), (10752, 184293), (12096, 163816), (13824, 143339), (16128, 122862), (20477, 96768), (24192, 81908), (32256, 61431), (40954, 48384)]