78605940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{887}}^1$

素因数の和:1117

約数の個数: 96

約数和(自身を含む): 253016064

約数和(自身を除く): 174410124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 211, 420, 422, 633, 844, 887, 1055, 1266, 1477, 1774, 2110, 2532, 2661, 2954, 3165, 3548, 4220, 4431, 4435, 5322, 5908, 6209, 6330, 7385, 8862, 8870, 10644, 12418, 12660, 13305, 14770, 17724, 17740, 18627, 22155, 24836, 26610, 29540, 31045, 37254, 44310, 53220, 62090, 74508, 88620, 93135, 124180, 186270, 187157, 372540, 374314, 561471, 748628, 935785, 1122942, 1310099, 1871570, 2245884, 2620198, 2807355, 3743140, 3930297, 5240396, 5614710, 6550495, 7860594, 11229420, 13100990, 15721188, 19651485, 26201980, 39302970, 78605940]

約数ペア:

[(1, 78605940), (2, 39302970), (3, 26201980), (4, 19651485), (5, 15721188), (6, 13100990), (7, 11229420), (10, 7860594), (12, 6550495), (14, 5614710), (15, 5240396), (20, 3930297), (21, 3743140), (28, 2807355), (30, 2620198), (35, 2245884), (42, 1871570), (60, 1310099), (70, 1122942), (84, 935785), (105, 748628), (140, 561471), (210, 374314), (211, 372540), (420, 187157), (422, 186270), (633, 124180), (844, 93135), (887, 88620), (1055, 74508), (1266, 62090), (1477, 53220), (1774, 44310), (2110, 37254), (2532, 31045), (2661, 29540), (2954, 26610), (3165, 24836), (3548, 22155), (4220, 18627), (4431, 17740), (4435, 17724), (5322, 14770), (5908, 13305), (6209, 12660), (6330, 12418), (7385, 10644), (8862, 8870)]