326305280

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:300

約数の個数: 160

約数和(自身を含む): 907441920

約数和(自身を除く): 581136640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 131, 139, 140, 160, 224, 256, 262, 278, 280, 320, 448, 512, 524, 556, 560, 640, 655, 695, 896, 917, 973, 1048, 1112, 1120, 1280, 1310, 1390, 1792, 1834, 1946, 2096, 2224, 2240, 2560, 2620, 2780, 3584, 3668, 3892, 4192, 4448, 4480, 4585, 4865, 5240, 5560, 7336, 7784, 8384, 8896, 8960, 9170, 9730, 10480, 11120, 14672, 15568, 16768, 17792, 17920, 18209, 18340, 19460, 20960, 22240, 29344, 31136, 33536, 35584, 36418, 36680, 38920, 41920, 44480, 58688, 62272, 67072, 71168, 72836, 73360, 77840, 83840, 88960, 91045, 117376, 124544, 127463, 145672, 146720, 155680, 167680, 177920, 182090, 234752, 249088, 254926, 291344, 293440, 311360, 335360, 355840, 364180, 469504, 498176, 509852, 582688, 586880, 622720, 637315, 728360, 1019704, 1165376, 1173760, 1245440, 1274630, 1456720, 2039408, 2330752, 2347520, 2490880, 2549260, 2913440, 4078816, 4661504, 5098520, 5826880, 8157632, 9323008, 10197040, 11653760, 16315264, 20394080, 23307520, 32630528, 40788160, 46615040, 65261056, 81576320, 163152640, 326305280]

約数ペア:

[(1, 326305280), (2, 163152640), (4, 81576320), (5, 65261056), (7, 46615040), (8, 40788160), (10, 32630528), (14, 23307520), (16, 20394080), (20, 16315264), (28, 11653760), (32, 10197040), (35, 9323008), (40, 8157632), (56, 5826880), (64, 5098520), (70, 4661504), (80, 4078816), (112, 2913440), (128, 2549260), (131, 2490880), (139, 2347520), (140, 2330752), (160, 2039408), (224, 1456720), (256, 1274630), (262, 1245440), (278, 1173760), (280, 1165376), (320, 1019704), (448, 728360), (512, 637315), (524, 622720), (556, 586880), (560, 582688), (640, 509852), (655, 498176), (695, 469504), (896, 364180), (917, 355840), (973, 335360), (1048, 311360), (1112, 293440), (1120, 291344), (1280, 254926), (1310, 249088), (1390, 234752), (1792, 182090), (1834, 177920), (1946, 167680), (2096, 155680), (2224, 146720), (2240, 145672), (2560, 127463), (2620, 124544), (2780, 117376), (3584, 91045), (3668, 88960), (3892, 83840), (4192, 77840), (4448, 73360), (4480, 72836), (4585, 71168), (4865, 67072), (5240, 62272), (5560, 58688), (7336, 44480), (7784, 41920), (8384, 38920), (8896, 36680), (8960, 36418), (9170, 35584), (9730, 33536), (10480, 31136), (11120, 29344), (14672, 22240), (15568, 20960), (16768, 19460), (17792, 18340), (17920, 18209)]