279270320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16087}}^1$

素因数の和:16138

約数の個数: 80

約数和(自身を含む): 766046208

約数和(自身を除く): 486775888

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, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 16087, 17360, 32174, 64348, 80435, 112609, 128696, 160870, 225218, 257392, 321740, 450436, 498697, 563045, 643480, 900872, 997394, 1126090, 1286960, 1801744, 1994788, 2252180, 2493485, 3490879, 3989576, 4504360, 4986970, 6981758, 7979152, 9008720, 9973940, 13963516, 17454395, 19947880, 27927032, 34908790, 39895760, 55854064, 69817580, 139635160, 279270320]

約数ペア:

[(1, 279270320), (2, 139635160), (4, 69817580), (5, 55854064), (7, 39895760), (8, 34908790), (10, 27927032), (14, 19947880), (16, 17454395), (20, 13963516), (28, 9973940), (31, 9008720), (35, 7979152), (40, 6981758), (56, 4986970), (62, 4504360), (70, 3989576), (80, 3490879), (112, 2493485), (124, 2252180), (140, 1994788), (155, 1801744), (217, 1286960), (248, 1126090), (280, 997394), (310, 900872), (434, 643480), (496, 563045), (560, 498697), (620, 450436), (868, 321740), (1085, 257392), (1240, 225218), (1736, 160870), (2170, 128696), (2480, 112609), (3472, 80435), (4340, 64348), (8680, 32174), (16087, 17360)]