78619520

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 230234400

約数和(自身を除く): 151614880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 109, 112, 115, 128, 140, 160, 161, 184, 196, 218, 224, 230, 245, 280, 320, 322, 368, 392, 436, 448, 460, 490, 545, 560, 640, 644, 736, 763, 784, 805, 872, 896, 920, 980, 1090, 1120, 1127, 1288, 1472, 1526, 1568, 1610, 1744, 1840, 1960, 2180, 2240, 2254, 2507, 2576, 2944, 3052, 3136, 3220, 3488, 3680, 3815, 3920, 4360, 4480, 4508, 5014, 5152, 5341, 5635, 6104, 6272, 6440, 6976, 7360, 7630, 7840, 8720, 9016, 10028, 10304, 10682, 11270, 12208, 12535, 12880, 13952, 14720, 15260, 15680, 17440, 17549, 18032, 20056, 20608, 21364, 22540, 24416, 25070, 25760, 26705, 30520, 31360, 34880, 35098, 36064, 40112, 42728, 45080, 48832, 50140, 51520, 53410, 61040, 69760, 70196, 72128, 80224, 85456, 87745, 90160, 97664, 100280, 103040, 106820, 122080, 122843, 140392, 144256, 160448, 170912, 175490, 180320, 200560, 213640, 244160, 245686, 280784, 320896, 341824, 350980, 360640, 401120, 427280, 488320, 491372, 561568, 614215, 683648, 701960, 721280, 802240, 854560, 982744, 1123136, 1228430, 1403920, 1604480, 1709120, 1965488, 2246272, 2456860, 2807840, 3418240, 3930976, 4913720, 5615680, 7861952, 9827440, 11231360, 15723904, 19654880, 39309760, 78619520]

約数ペア:

[(1, 78619520), (2, 39309760), (4, 19654880), (5, 15723904), (7, 11231360), (8, 9827440), (10, 7861952), (14, 5615680), (16, 4913720), (20, 3930976), (23, 3418240), (28, 2807840), (32, 2456860), (35, 2246272), (40, 1965488), (46, 1709120), (49, 1604480), (56, 1403920), (64, 1228430), (70, 1123136), (80, 982744), (92, 854560), (98, 802240), (109, 721280), (112, 701960), (115, 683648), (128, 614215), (140, 561568), (160, 491372), (161, 488320), (184, 427280), (196, 401120), (218, 360640), (224, 350980), (230, 341824), (245, 320896), (280, 280784), (320, 245686), (322, 244160), (368, 213640), (392, 200560), (436, 180320), (448, 175490), (460, 170912), (490, 160448), (545, 144256), (560, 140392), (640, 122843), (644, 122080), (736, 106820), (763, 103040), (784, 100280), (805, 97664), (872, 90160), (896, 87745), (920, 85456), (980, 80224), (1090, 72128), (1120, 70196), (1127, 69760), (1288, 61040), (1472, 53410), (1526, 51520), (1568, 50140), (1610, 48832), (1744, 45080), (1840, 42728), (1960, 40112), (2180, 36064), (2240, 35098), (2254, 34880), (2507, 31360), (2576, 30520), (2944, 26705), (3052, 25760), (3136, 25070), (3220, 24416), (3488, 22540), (3680, 21364), (3815, 20608), (3920, 20056), (4360, 18032), (4480, 17549), (4508, 17440), (5014, 15680), (5152, 15260), (5341, 14720), (5635, 13952), (6104, 12880), (6272, 12535), (6440, 12208), (6976, 11270), (7360, 10682), (7630, 10304), (7840, 10028), (8720, 9016)]