1808203480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{5657}}^1$

素因数の和:5860

約数の個数: 64

約数和(自身を含む): 4167456480

約数和(自身を除く): 2359253000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 131, 244, 262, 305, 488, 524, 610, 655, 1048, 1220, 1310, 2440, 2620, 5240, 5657, 7991, 11314, 15982, 22628, 28285, 31964, 39955, 45256, 56570, 63928, 79910, 113140, 159820, 226280, 319640, 345077, 690154, 741067, 1380308, 1482134, 1725385, 2760616, 2964268, 3450770, 3705335, 5928536, 6901540, 7410670, 13803080, 14821340, 29642680, 45205087, 90410174, 180820348, 226025435, 361640696, 452050870, 904101740, 1808203480]

約数ペア:

[(1, 1808203480), (2, 904101740), (4, 452050870), (5, 361640696), (8, 226025435), (10, 180820348), (20, 90410174), (40, 45205087), (61, 29642680), (122, 14821340), (131, 13803080), (244, 7410670), (262, 6901540), (305, 5928536), (488, 3705335), (524, 3450770), (610, 2964268), (655, 2760616), (1048, 1725385), (1220, 1482134), (1310, 1380308), (2440, 741067), (2620, 690154), (5240, 345077), (5657, 319640), (7991, 226280), (11314, 159820), (15982, 113140), (22628, 79910), (28285, 63928), (31964, 56570), (39955, 45256)]