319741760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{761}}^1$

素因数の和:892

約数の個数: 112

約数和(自身を含む): 829159632

約数和(自身を除く): 509417872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 101, 104, 130, 160, 202, 208, 260, 320, 404, 416, 505, 520, 761, 808, 832, 1010, 1040, 1313, 1522, 1616, 2020, 2080, 2626, 3044, 3232, 3805, 4040, 4160, 5252, 6088, 6464, 6565, 7610, 8080, 9893, 10504, 12176, 13130, 15220, 16160, 19786, 21008, 24352, 26260, 30440, 32320, 39572, 42016, 48704, 49465, 52520, 60880, 76861, 79144, 84032, 98930, 105040, 121760, 153722, 158288, 197860, 210080, 243520, 307444, 316576, 384305, 395720, 420160, 614888, 633152, 768610, 791440, 999193, 1229776, 1537220, 1582880, 1998386, 2459552, 3074440, 3165760, 3996772, 4919104, 4995965, 6148880, 7993544, 9991930, 12297760, 15987088, 19983860, 24595520, 31974176, 39967720, 63948352, 79935440, 159870880, 319741760]

約数ペア:

[(1, 319741760), (2, 159870880), (4, 79935440), (5, 63948352), (8, 39967720), (10, 31974176), (13, 24595520), (16, 19983860), (20, 15987088), (26, 12297760), (32, 9991930), (40, 7993544), (52, 6148880), (64, 4995965), (65, 4919104), (80, 3996772), (101, 3165760), (104, 3074440), (130, 2459552), (160, 1998386), (202, 1582880), (208, 1537220), (260, 1229776), (320, 999193), (404, 791440), (416, 768610), (505, 633152), (520, 614888), (761, 420160), (808, 395720), (832, 384305), (1010, 316576), (1040, 307444), (1313, 243520), (1522, 210080), (1616, 197860), (2020, 158288), (2080, 153722), (2626, 121760), (3044, 105040), (3232, 98930), (3805, 84032), (4040, 79144), (4160, 76861), (5252, 60880), (6088, 52520), (6464, 49465), (6565, 48704), (7610, 42016), (8080, 39572), (9893, 32320), (10504, 30440), (12176, 26260), (13130, 24352), (15220, 21008), (16160, 19786)]