81963671680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1409}}^1\times {\mathrm{8263}}^1$

素因数の和:9702

約数の個数: 128

約数和(自身を含む): 213935126400

約数和(自身を除く): 131971454720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1409, 1760, 2818, 3520, 5636, 7040, 7045, 8263, 11272, 14090, 15499, 16526, 22544, 28180, 30998, 33052, 41315, 45088, 56360, 61996, 66104, 77495, 82630, 90176, 90893, 112720, 123992, 132208, 154990, 165260, 180352, 181786, 225440, 247984, 264416, 309980, 330520, 363572, 450880, 454465, 495968, 528832, 619960, 661040, 727144, 901760, 908930, 991936, 1057664, 1239920, 1322080, 1454288, 1817860, 1983872, 2479840, 2644160, 2908576, 3635720, 4959680, 5288320, 5817152, 7271440, 9919360, 11634304, 11642567, 14542880, 23285134, 29085760, 46570268, 58171520, 58212835, 93140536, 116425670, 128068237, 186281072, 232851340, 256136474, 372562144, 465702680, 512272948, 640341185, 745124288, 931405360, 1024545896, 1280682370, 1490248576, 1862810720, 2049091792, 2561364740, 3725621440, 4098183584, 5122729480, 7451242880, 8196367168, 10245458960, 16392734336, 20490917920, 40981835840, 81963671680]

約数ペア:

[(1, 81963671680), (2, 40981835840), (4, 20490917920), (5, 16392734336), (8, 10245458960), (10, 8196367168), (11, 7451242880), (16, 5122729480), (20, 4098183584), (22, 3725621440), (32, 2561364740), (40, 2049091792), (44, 1862810720), (55, 1490248576), (64, 1280682370), (80, 1024545896), (88, 931405360), (110, 745124288), (128, 640341185), (160, 512272948), (176, 465702680), (220, 372562144), (320, 256136474), (352, 232851340), (440, 186281072), (640, 128068237), (704, 116425670), (880, 93140536), (1408, 58212835), (1409, 58171520), (1760, 46570268), (2818, 29085760), (3520, 23285134), (5636, 14542880), (7040, 11642567), (7045, 11634304), (8263, 9919360), (11272, 7271440), (14090, 5817152), (15499, 5288320), (16526, 4959680), (22544, 3635720), (28180, 2908576), (30998, 2644160), (33052, 2479840), (41315, 1983872), (45088, 1817860), (56360, 1454288), (61996, 1322080), (66104, 1239920), (77495, 1057664), (82630, 991936), (90176, 908930), (90893, 901760), (112720, 727144), (123992, 661040), (132208, 619960), (154990, 528832), (165260, 495968), (180352, 454465), (181786, 450880), (225440, 363572), (247984, 330520), (264416, 309980)]