66641220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{859}}^1$

素因数の和:1305

約数の個数: 72

約数和(自身を含む): 202849920

約数和(自身を除く): 136208700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 859, 862, 1293, 1718, 1724, 2155, 2577, 2586, 3436, 3879, 4295, 4310, 5154, 5172, 6465, 7731, 7758, 8590, 8620, 10308, 12885, 12930, 15462, 15516, 17180, 19395, 25770, 25860, 30924, 38655, 38790, 51540, 77310, 77580, 154620, 370229, 740458, 1110687, 1480916, 1851145, 2221374, 3332061, 3702290, 4442748, 5553435, 6664122, 7404580, 11106870, 13328244, 16660305, 22213740, 33320610, 66641220]

約数ペア:

[(1, 66641220), (2, 33320610), (3, 22213740), (4, 16660305), (5, 13328244), (6, 11106870), (9, 7404580), (10, 6664122), (12, 5553435), (15, 4442748), (18, 3702290), (20, 3332061), (30, 2221374), (36, 1851145), (45, 1480916), (60, 1110687), (90, 740458), (180, 370229), (431, 154620), (859, 77580), (862, 77310), (1293, 51540), (1718, 38790), (1724, 38655), (2155, 30924), (2577, 25860), (2586, 25770), (3436, 19395), (3879, 17180), (4295, 15516), (4310, 15462), (5154, 12930), (5172, 12885), (6465, 10308), (7731, 8620), (7758, 8590)]