127728640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:158

約数の個数: 176

約数和(自身を含む): 350773920

約数和(自身を除く): 223045280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 101, 104, 128, 130, 152, 160, 190, 202, 208, 247, 256, 260, 304, 320, 380, 404, 416, 494, 505, 512, 520, 608, 640, 760, 808, 832, 988, 1010, 1024, 1040, 1216, 1235, 1280, 1313, 1520, 1616, 1664, 1919, 1976, 2020, 2080, 2432, 2470, 2560, 2626, 3040, 3232, 3328, 3838, 3952, 4040, 4160, 4864, 4940, 5120, 5252, 6080, 6464, 6565, 6656, 7676, 7904, 8080, 8320, 9595, 9728, 9880, 10504, 12160, 12928, 13130, 13312, 15352, 15808, 16160, 16640, 19190, 19456, 19760, 21008, 24320, 24947, 25856, 26260, 30704, 31616, 32320, 33280, 38380, 39520, 42016, 48640, 49894, 51712, 52520, 61408, 63232, 64640, 66560, 76760, 79040, 84032, 97280, 99788, 103424, 105040, 122816, 124735, 126464, 129280, 153520, 158080, 168064, 199576, 210080, 245632, 249470, 252928, 258560, 307040, 316160, 336128, 399152, 420160, 491264, 498940, 517120, 614080, 632320, 672256, 798304, 840320, 982528, 997880, 1228160, 1264640, 1344512, 1596608, 1680640, 1965056, 1995760, 2456320, 3193216, 3361280, 3991520, 4912640, 6386432, 6722560, 7983040, 9825280, 12772864, 15966080, 25545728, 31932160, 63864320, 127728640]

約数ペア:

[(1, 127728640), (2, 63864320), (4, 31932160), (5, 25545728), (8, 15966080), (10, 12772864), (13, 9825280), (16, 7983040), (19, 6722560), (20, 6386432), (26, 4912640), (32, 3991520), (38, 3361280), (40, 3193216), (52, 2456320), (64, 1995760), (65, 1965056), (76, 1680640), (80, 1596608), (95, 1344512), (101, 1264640), (104, 1228160), (128, 997880), (130, 982528), (152, 840320), (160, 798304), (190, 672256), (202, 632320), (208, 614080), (247, 517120), (256, 498940), (260, 491264), (304, 420160), (320, 399152), (380, 336128), (404, 316160), (416, 307040), (494, 258560), (505, 252928), (512, 249470), (520, 245632), (608, 210080), (640, 199576), (760, 168064), (808, 158080), (832, 153520), (988, 129280), (1010, 126464), (1024, 124735), (1040, 122816), (1216, 105040), (1235, 103424), (1280, 99788), (1313, 97280), (1520, 84032), (1616, 79040), (1664, 76760), (1919, 66560), (1976, 64640), (2020, 63232), (2080, 61408), (2432, 52520), (2470, 51712), (2560, 49894), (2626, 48640), (3040, 42016), (3232, 39520), (3328, 38380), (3838, 33280), (3952, 32320), (4040, 31616), (4160, 30704), (4864, 26260), (4940, 25856), (5120, 24947), (5252, 24320), (6080, 21008), (6464, 19760), (6565, 19456), (6656, 19190), (7676, 16640), (7904, 16160), (8080, 15808), (8320, 15352), (9595, 13312), (9728, 13130), (9880, 12928), (10504, 12160)]