204926280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131363}}^1$

素因数の和:131390

約数の個数: 64

約数和(自身を含む): 662074560

約数和(自身を除く): 457148280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 131363, 262726, 394089, 525452, 656815, 788178, 1050904, 1313630, 1576356, 1707719, 1970445, 2627260, 3152712, 3415438, 3940890, 5123157, 5254520, 6830876, 7881780, 8538595, 10246314, 13661752, 15763560, 17077190, 20492628, 25615785, 34154380, 40985256, 51231570, 68308760, 102463140, 204926280]

約数ペア:

[(1, 204926280), (2, 102463140), (3, 68308760), (4, 51231570), (5, 40985256), (6, 34154380), (8, 25615785), (10, 20492628), (12, 17077190), (13, 15763560), (15, 13661752), (20, 10246314), (24, 8538595), (26, 7881780), (30, 6830876), (39, 5254520), (40, 5123157), (52, 3940890), (60, 3415438), (65, 3152712), (78, 2627260), (104, 1970445), (120, 1707719), (130, 1576356), (156, 1313630), (195, 1050904), (260, 788178), (312, 656815), (390, 525452), (520, 394089), (780, 262726), (1560, 131363)]