857885940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{153743}}^1$

素因数の和:153789

約数の個数: 72

約数和(自身を含む): 2686215168

約数和(自身を除く): 1828329228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 153743, 307486, 461229, 614972, 768715, 922458, 1383687, 1537430, 1844916, 2306145, 2767374, 3074860, 4612290, 4766033, 5534748, 6918435, 9224580, 9532066, 13836870, 14298099, 19064132, 23830165, 27673740, 28596198, 42894297, 47660330, 57192396, 71490495, 85788594, 95320660, 142980990, 171577188, 214471485, 285961980, 428942970, 857885940]

約数ペア:

[(1, 857885940), (2, 428942970), (3, 285961980), (4, 214471485), (5, 171577188), (6, 142980990), (9, 95320660), (10, 85788594), (12, 71490495), (15, 57192396), (18, 47660330), (20, 42894297), (30, 28596198), (31, 27673740), (36, 23830165), (45, 19064132), (60, 14298099), (62, 13836870), (90, 9532066), (93, 9224580), (124, 6918435), (155, 5534748), (180, 4766033), (186, 4612290), (279, 3074860), (310, 2767374), (372, 2306145), (465, 1844916), (558, 1537430), (620, 1383687), (930, 922458), (1116, 768715), (1395, 614972), (1860, 461229), (2790, 307486), (5580, 153743)]