842213970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239947}}^1$

素因数の和:239976

約数の個数: 64

約数和(自身を含む): 2418675840

約数和(自身を除く): 1576461870

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 239947, 479894, 719841, 1199735, 1439682, 2159523, 2399470, 3119311, 3599205, 4319046, 6238622, 6478569, 7198410, 9357933, 10797615, 12957138, 15596555, 18715866, 21595230, 28073799, 31193110, 32392845, 46789665, 56147598, 64785690, 84221397, 93579330, 140368995, 168442794, 280737990, 421106985, 842213970]

約数ペア:

[(1, 842213970), (2, 421106985), (3, 280737990), (5, 168442794), (6, 140368995), (9, 93579330), (10, 84221397), (13, 64785690), (15, 56147598), (18, 46789665), (26, 32392845), (27, 31193110), (30, 28073799), (39, 21595230), (45, 18715866), (54, 15596555), (65, 12957138), (78, 10797615), (90, 9357933), (117, 7198410), (130, 6478569), (135, 6238622), (195, 4319046), (234, 3599205), (270, 3119311), (351, 2399470), (390, 2159523), (585, 1439682), (702, 1199735), (1170, 719841), (1755, 479894), (3510, 239947)]