78828960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:863

約数の個数: 192

約数和(自身を含む): 293932800

約数和(自身を除く): 215103840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 96, 105, 112, 116, 120, 140, 145, 160, 168, 174, 203, 210, 224, 232, 240, 280, 290, 336, 348, 406, 420, 435, 464, 480, 560, 580, 609, 672, 696, 809, 812, 840, 870, 928, 1015, 1120, 1160, 1218, 1392, 1618, 1624, 1680, 1740, 2030, 2320, 2427, 2436, 2784, 3045, 3236, 3248, 3360, 3480, 4045, 4060, 4640, 4854, 4872, 5663, 6090, 6472, 6496, 6960, 8090, 8120, 9708, 9744, 11326, 12135, 12180, 12944, 13920, 16180, 16240, 16989, 19416, 19488, 22652, 23461, 24270, 24360, 25888, 28315, 32360, 32480, 33978, 38832, 45304, 46922, 48540, 48720, 56630, 64720, 67956, 70383, 77664, 84945, 90608, 93844, 97080, 97440, 113260, 117305, 129440, 135912, 140766, 164227, 169890, 181216, 187688, 194160, 226520, 234610, 271824, 281532, 328454, 339780, 351915, 375376, 388320, 453040, 469220, 492681, 543648, 563064, 656908, 679560, 703830, 750752, 821135, 906080, 938440, 985362, 1126128, 1313816, 1359120, 1407660, 1642270, 1876880, 1970724, 2252256, 2463405, 2627632, 2718240, 2815320, 3284540, 3753760, 3941448, 4926810, 5255264, 5630640, 6569080, 7882896, 9853620, 11261280, 13138160, 15765792, 19707240, 26276320, 39414480, 78828960]

約数ペア:

[(1, 78828960), (2, 39414480), (3, 26276320), (4, 19707240), (5, 15765792), (6, 13138160), (7, 11261280), (8, 9853620), (10, 7882896), (12, 6569080), (14, 5630640), (15, 5255264), (16, 4926810), (20, 3941448), (21, 3753760), (24, 3284540), (28, 2815320), (29, 2718240), (30, 2627632), (32, 2463405), (35, 2252256), (40, 1970724), (42, 1876880), (48, 1642270), (56, 1407660), (58, 1359120), (60, 1313816), (70, 1126128), (80, 985362), (84, 938440), (87, 906080), (96, 821135), (105, 750752), (112, 703830), (116, 679560), (120, 656908), (140, 563064), (145, 543648), (160, 492681), (168, 469220), (174, 453040), (203, 388320), (210, 375376), (224, 351915), (232, 339780), (240, 328454), (280, 281532), (290, 271824), (336, 234610), (348, 226520), (406, 194160), (420, 187688), (435, 181216), (464, 169890), (480, 164227), (560, 140766), (580, 135912), (609, 129440), (672, 117305), (696, 113260), (809, 97440), (812, 97080), (840, 93844), (870, 90608), (928, 84945), (1015, 77664), (1120, 70383), (1160, 67956), (1218, 64720), (1392, 56630), (1618, 48720), (1624, 48540), (1680, 46922), (1740, 45304), (2030, 38832), (2320, 33978), (2427, 32480), (2436, 32360), (2784, 28315), (3045, 25888), (3236, 24360), (3248, 24270), (3360, 23461), (3480, 22652), (4045, 19488), (4060, 19416), (4640, 16989), (4854, 16240), (4872, 16180), (5663, 13920), (6090, 12944), (6472, 12180), (6496, 12135), (6960, 11326), (8090, 9744), (8120, 9708)]