65680080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1297}}^1$

素因数の和:1524

約数の個数: 80

約数和(自身を含む): 204730944

約数和(自身を除く): 139050864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 422, 633, 844, 1055, 1266, 1297, 1688, 2110, 2532, 2594, 3165, 3376, 3891, 4220, 5064, 5188, 6330, 6485, 7782, 8440, 10128, 10376, 12660, 12970, 15564, 16880, 19455, 20752, 25320, 25940, 31128, 38910, 50640, 51880, 62256, 77820, 103760, 155640, 273667, 311280, 547334, 821001, 1094668, 1368335, 1642002, 2189336, 2736670, 3284004, 4105005, 4378672, 5473340, 6568008, 8210010, 10946680, 13136016, 16420020, 21893360, 32840040, 65680080]

約数ペア:

[(1, 65680080), (2, 32840040), (3, 21893360), (4, 16420020), (5, 13136016), (6, 10946680), (8, 8210010), (10, 6568008), (12, 5473340), (15, 4378672), (16, 4105005), (20, 3284004), (24, 2736670), (30, 2189336), (40, 1642002), (48, 1368335), (60, 1094668), (80, 821001), (120, 547334), (211, 311280), (240, 273667), (422, 155640), (633, 103760), (844, 77820), (1055, 62256), (1266, 51880), (1297, 50640), (1688, 38910), (2110, 31128), (2532, 25940), (2594, 25320), (3165, 20752), (3376, 19455), (3891, 16880), (4220, 15564), (5064, 12970), (5188, 12660), (6330, 10376), (6485, 10128), (7782, 8440)]