840999040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1433}}^1$

素因数の和:1590

約数の個数: 128

約数和(自身を含む): 2316885120

約数和(自身を除く): 1475886080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 131, 140, 160, 224, 262, 280, 320, 448, 524, 560, 640, 655, 896, 917, 1048, 1120, 1310, 1433, 1834, 2096, 2240, 2620, 2866, 3668, 4192, 4480, 4585, 5240, 5732, 7165, 7336, 8384, 9170, 10031, 10480, 11464, 14330, 14672, 16768, 18340, 20062, 20960, 22928, 28660, 29344, 36680, 40124, 41920, 45856, 50155, 57320, 58688, 73360, 80248, 83840, 91712, 100310, 114640, 117376, 146720, 160496, 183424, 187723, 200620, 229280, 293440, 320992, 375446, 401240, 458560, 586880, 641984, 750892, 802480, 917120, 938615, 1283968, 1314061, 1501784, 1604960, 1877230, 2628122, 3003568, 3209920, 3754460, 5256244, 6007136, 6419840, 6570305, 7508920, 10512488, 12014272, 13140610, 15017840, 21024976, 24028544, 26281220, 30035680, 42049952, 52562440, 60071360, 84099904, 105124880, 120142720, 168199808, 210249760, 420499520, 840999040]

約数ペア:

[(1, 840999040), (2, 420499520), (4, 210249760), (5, 168199808), (7, 120142720), (8, 105124880), (10, 84099904), (14, 60071360), (16, 52562440), (20, 42049952), (28, 30035680), (32, 26281220), (35, 24028544), (40, 21024976), (56, 15017840), (64, 13140610), (70, 12014272), (80, 10512488), (112, 7508920), (128, 6570305), (131, 6419840), (140, 6007136), (160, 5256244), (224, 3754460), (262, 3209920), (280, 3003568), (320, 2628122), (448, 1877230), (524, 1604960), (560, 1501784), (640, 1314061), (655, 1283968), (896, 938615), (917, 917120), (1048, 802480), (1120, 750892), (1310, 641984), (1433, 586880), (1834, 458560), (2096, 401240), (2240, 375446), (2620, 320992), (2866, 293440), (3668, 229280), (4192, 200620), (4480, 187723), (4585, 183424), (5240, 160496), (5732, 146720), (7165, 117376), (7336, 114640), (8384, 100310), (9170, 91712), (10031, 83840), (10480, 80248), (11464, 73360), (14330, 58688), (14672, 57320), (16768, 50155), (18340, 45856), (20062, 41920), (20960, 40124), (22928, 36680), (28660, 29344)]