15663214520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{89627}}^1$

素因数の和:89912

約数の個数: 64

約数和(自身を含む): 37460918880

約数和(自身を除く): 21797704360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 257, 340, 514, 680, 1028, 1285, 2056, 2570, 4369, 5140, 8738, 10280, 17476, 21845, 34952, 43690, 87380, 89627, 174760, 179254, 358508, 448135, 717016, 896270, 1523659, 1792540, 3047318, 3585080, 6094636, 7618295, 12189272, 15236590, 23034139, 30473180, 46068278, 60946360, 92136556, 115170695, 184273112, 230341390, 391580363, 460682780, 783160726, 921365560, 1566321452, 1957901815, 3132642904, 3915803630, 7831607260, 15663214520]

約数ペア:

[(1, 15663214520), (2, 7831607260), (4, 3915803630), (5, 3132642904), (8, 1957901815), (10, 1566321452), (17, 921365560), (20, 783160726), (34, 460682780), (40, 391580363), (68, 230341390), (85, 184273112), (136, 115170695), (170, 92136556), (257, 60946360), (340, 46068278), (514, 30473180), (680, 23034139), (1028, 15236590), (1285, 12189272), (2056, 7618295), (2570, 6094636), (4369, 3585080), (5140, 3047318), (8738, 1792540), (10280, 1523659), (17476, 896270), (21845, 717016), (34952, 448135), (43690, 358508), (87380, 179254), (89627, 174760)]