80022880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 224940240

約数和(自身を除く): 144917360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 59, 70, 80, 98, 112, 118, 140, 160, 173, 196, 224, 236, 245, 280, 295, 346, 392, 413, 472, 490, 560, 590, 692, 784, 826, 865, 944, 980, 1120, 1180, 1211, 1384, 1568, 1652, 1730, 1888, 1960, 2065, 2360, 2422, 2768, 2891, 3304, 3460, 3920, 4130, 4720, 4844, 5536, 5782, 6055, 6608, 6920, 7840, 8260, 8477, 9440, 9688, 10207, 11564, 12110, 13216, 13840, 14455, 16520, 16954, 19376, 20414, 23128, 24220, 27680, 28910, 33040, 33908, 38752, 40828, 42385, 46256, 48440, 51035, 57820, 66080, 67816, 71449, 81656, 84770, 92512, 96880, 102070, 115640, 135632, 142898, 163312, 169540, 193760, 204140, 231280, 271264, 285796, 326624, 339080, 357245, 408280, 462560, 500143, 571592, 678160, 714490, 816560, 1000286, 1143184, 1356320, 1428980, 1633120, 2000572, 2286368, 2500715, 2857960, 4001144, 5001430, 5715920, 8002288, 10002860, 11431840, 16004576, 20005720, 40011440, 80022880]

約数ペア:

[(1, 80022880), (2, 40011440), (4, 20005720), (5, 16004576), (7, 11431840), (8, 10002860), (10, 8002288), (14, 5715920), (16, 5001430), (20, 4001144), (28, 2857960), (32, 2500715), (35, 2286368), (40, 2000572), (49, 1633120), (56, 1428980), (59, 1356320), (70, 1143184), (80, 1000286), (98, 816560), (112, 714490), (118, 678160), (140, 571592), (160, 500143), (173, 462560), (196, 408280), (224, 357245), (236, 339080), (245, 326624), (280, 285796), (295, 271264), (346, 231280), (392, 204140), (413, 193760), (472, 169540), (490, 163312), (560, 142898), (590, 135632), (692, 115640), (784, 102070), (826, 96880), (865, 92512), (944, 84770), (980, 81656), (1120, 71449), (1180, 67816), (1211, 66080), (1384, 57820), (1568, 51035), (1652, 48440), (1730, 46256), (1888, 42385), (1960, 40828), (2065, 38752), (2360, 33908), (2422, 33040), (2768, 28910), (2891, 27680), (3304, 24220), (3460, 23128), (3920, 20414), (4130, 19376), (4720, 16954), (4844, 16520), (5536, 14455), (5782, 13840), (6055, 13216), (6608, 12110), (6920, 11564), (7840, 10207), (8260, 9688), (8477, 9440)]