15398320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:938

約数の個数: 80

約数和(自身を含む): 42283008

約数和(自身を除く): 26884688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 887, 1085, 1240, 1736, 1774, 2170, 2480, 3472, 3548, 4340, 4435, 6209, 7096, 8680, 8870, 12418, 14192, 17360, 17740, 24836, 27497, 31045, 35480, 49672, 54994, 62090, 70960, 99344, 109988, 124180, 137485, 192479, 219976, 248360, 274970, 384958, 439952, 496720, 549940, 769916, 962395, 1099880, 1539832, 1924790, 2199760, 3079664, 3849580, 7699160, 15398320]

約数ペア:

[(1, 15398320), (2, 7699160), (4, 3849580), (5, 3079664), (7, 2199760), (8, 1924790), (10, 1539832), (14, 1099880), (16, 962395), (20, 769916), (28, 549940), (31, 496720), (35, 439952), (40, 384958), (56, 274970), (62, 248360), (70, 219976), (80, 192479), (112, 137485), (124, 124180), (140, 109988), (155, 99344), (217, 70960), (248, 62090), (280, 54994), (310, 49672), (434, 35480), (496, 31045), (560, 27497), (620, 24836), (868, 17740), (887, 17360), (1085, 14192), (1240, 12418), (1736, 8870), (1774, 8680), (2170, 7096), (2480, 6209), (3472, 4435), (3548, 4340)]