18964087040

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{2713}}^1$

素因数の和:2904

約数の個数: 144

約数和(自身を含む): 46864570368

約数和(自身を除く): 27900483328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 127, 128, 160, 172, 215, 254, 256, 320, 344, 430, 508, 635, 640, 688, 860, 1016, 1270, 1280, 1376, 1720, 2032, 2540, 2713, 2752, 3440, 4064, 5080, 5426, 5461, 5504, 6880, 8128, 10160, 10852, 10922, 11008, 13565, 13760, 16256, 20320, 21704, 21844, 27130, 27305, 27520, 32512, 40640, 43408, 43688, 54260, 54610, 55040, 81280, 86816, 87376, 108520, 109220, 116659, 162560, 173632, 174752, 217040, 218440, 233318, 344551, 347264, 349504, 434080, 436880, 466636, 583295, 689102, 694528, 699008, 868160, 873760, 933272, 1166590, 1378204, 1398016, 1722755, 1736320, 1747520, 1866544, 2333180, 2756408, 3445510, 3472640, 3495040, 3733088, 4666360, 5512816, 6891020, 6990080, 7466176, 9332720, 11025632, 13782040, 14815693, 14932352, 18665440, 22051264, 27564080, 29631386, 29864704, 37330880, 44102528, 55128160, 59262772, 74078465, 74661760, 88205056, 110256320, 118525544, 148156930, 149323520, 220512640, 237051088, 296313860, 441025280, 474102176, 592627720, 948204352, 1185255440, 1896408704, 2370510880, 3792817408, 4741021760, 9482043520, 18964087040]

約数ペア:

[(1, 18964087040), (2, 9482043520), (4, 4741021760), (5, 3792817408), (8, 2370510880), (10, 1896408704), (16, 1185255440), (20, 948204352), (32, 592627720), (40, 474102176), (43, 441025280), (64, 296313860), (80, 237051088), (86, 220512640), (127, 149323520), (128, 148156930), (160, 118525544), (172, 110256320), (215, 88205056), (254, 74661760), (256, 74078465), (320, 59262772), (344, 55128160), (430, 44102528), (508, 37330880), (635, 29864704), (640, 29631386), (688, 27564080), (860, 22051264), (1016, 18665440), (1270, 14932352), (1280, 14815693), (1376, 13782040), (1720, 11025632), (2032, 9332720), (2540, 7466176), (2713, 6990080), (2752, 6891020), (3440, 5512816), (4064, 4666360), (5080, 3733088), (5426, 3495040), (5461, 3472640), (5504, 3445510), (6880, 2756408), (8128, 2333180), (10160, 1866544), (10852, 1747520), (10922, 1736320), (11008, 1722755), (13565, 1398016), (13760, 1378204), (16256, 1166590), (20320, 933272), (21704, 873760), (21844, 868160), (27130, 699008), (27305, 694528), (27520, 689102), (32512, 583295), (40640, 466636), (43408, 436880), (43688, 434080), (54260, 349504), (54610, 347264), (55040, 344551), (81280, 233318), (86816, 218440), (87376, 217040), (108520, 174752), (109220, 173632), (116659, 162560)]