87454360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{571}}^1$

素因数の和:1136

約数の個数: 64

約数和(自身を含む): 225688320

約数和(自身を除く): 138233960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 547, 571, 1094, 1142, 2188, 2284, 2735, 2855, 3829, 3997, 4376, 4568, 5470, 5710, 7658, 7994, 10940, 11420, 15316, 15988, 19145, 19985, 21880, 22840, 30632, 31976, 38290, 39970, 76580, 79940, 153160, 159880, 312337, 624674, 1249348, 1561685, 2186359, 2498696, 3123370, 4372718, 6246740, 8745436, 10931795, 12493480, 17490872, 21863590, 43727180, 87454360]

約数ペア:

[(1, 87454360), (2, 43727180), (4, 21863590), (5, 17490872), (7, 12493480), (8, 10931795), (10, 8745436), (14, 6246740), (20, 4372718), (28, 3123370), (35, 2498696), (40, 2186359), (56, 1561685), (70, 1249348), (140, 624674), (280, 312337), (547, 159880), (571, 153160), (1094, 79940), (1142, 76580), (2188, 39970), (2284, 38290), (2735, 31976), (2855, 30632), (3829, 22840), (3997, 21880), (4376, 19985), (4568, 19145), (5470, 15988), (5710, 15316), (7658, 11420), (7994, 10940)]