1284990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 3663360

約数和(自身を除く): 2378370

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 211, 290, 406, 422, 435, 609, 633, 870, 1015, 1055, 1218, 1266, 1477, 2030, 2110, 2954, 3045, 3165, 4431, 6090, 6119, 6330, 7385, 8862, 12238, 14770, 18357, 22155, 30595, 36714, 42833, 44310, 61190, 85666, 91785, 128499, 183570, 214165, 256998, 428330, 642495, 1284990]

約数ペア:

[(1, 1284990), (2, 642495), (3, 428330), (5, 256998), (6, 214165), (7, 183570), (10, 128499), (14, 91785), (15, 85666), (21, 61190), (29, 44310), (30, 42833), (35, 36714), (42, 30595), (58, 22155), (70, 18357), (87, 14770), (105, 12238), (145, 8862), (174, 7385), (203, 6330), (210, 6119), (211, 6090), (290, 4431), (406, 3165), (422, 3045), (435, 2954), (609, 2110), (633, 2030), (870, 1477), (1015, 1266), (1055, 1218)]