65811720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42187}}^1$

素因数の和:42214

約数の個数: 64

約数和(自身を含む): 212627520

約数和(自身を除く): 146815800

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, 42187, 84374, 126561, 168748, 210935, 253122, 337496, 421870, 506244, 548431, 632805, 843740, 1012488, 1096862, 1265610, 1645293, 1687480, 2193724, 2531220, 2742155, 3290586, 4387448, 5062440, 5484310, 6581172, 8226465, 10968620, 13162344, 16452930, 21937240, 32905860, 65811720]

約数ペア:

[(1, 65811720), (2, 32905860), (3, 21937240), (4, 16452930), (5, 13162344), (6, 10968620), (8, 8226465), (10, 6581172), (12, 5484310), (13, 5062440), (15, 4387448), (20, 3290586), (24, 2742155), (26, 2531220), (30, 2193724), (39, 1687480), (40, 1645293), (52, 1265610), (60, 1096862), (65, 1012488), (78, 843740), (104, 632805), (120, 548431), (130, 506244), (156, 421870), (195, 337496), (260, 253122), (312, 210935), (390, 168748), (520, 126561), (780, 84374), (1560, 42187)]