905739660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{718841}}^1$

素因数の和:718863

約数の個数: 72

約数和(自身を含む): 3139901856

約数和(自身を除く): 2234162196

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 718841, 1437682, 2156523, 2875364, 3594205, 4313046, 5031887, 6469569, 7188410, 8626092, 10063774, 10782615, 12939138, 14376820, 15095661, 20127548, 21565230, 25159435, 25878276, 30191322, 32347845, 43130460, 45286983, 50318870, 60382644, 64695690, 75478305, 90573966, 100637740, 129391380, 150956610, 181147932, 226434915, 301913220, 452869830, 905739660]

約数ペア:

[(1, 905739660), (2, 452869830), (3, 301913220), (4, 226434915), (5, 181147932), (6, 150956610), (7, 129391380), (9, 100637740), (10, 90573966), (12, 75478305), (14, 64695690), (15, 60382644), (18, 50318870), (20, 45286983), (21, 43130460), (28, 32347845), (30, 30191322), (35, 25878276), (36, 25159435), (42, 21565230), (45, 20127548), (60, 15095661), (63, 14376820), (70, 12939138), (84, 10782615), (90, 10063774), (105, 8626092), (126, 7188410), (140, 6469569), (180, 5031887), (210, 4313046), (252, 3594205), (315, 2875364), (420, 2156523), (630, 1437682), (1260, 718841)]