65691220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{887}}^1$

素因数の和:949

約数の個数: 72

約数和(自身を含む): 164997504

約数和(自身を除く): 99306284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 529, 644, 805, 887, 1058, 1610, 1774, 2116, 2645, 3220, 3548, 3703, 4435, 5290, 6209, 7406, 8870, 10580, 12418, 14812, 17740, 18515, 20401, 24836, 31045, 37030, 40802, 62090, 74060, 81604, 102005, 124180, 142807, 204010, 285614, 408020, 469223, 571228, 714035, 938446, 1428070, 1876892, 2346115, 2856140, 3284561, 4692230, 6569122, 9384460, 13138244, 16422805, 32845610, 65691220]

約数ペア:

[(1, 65691220), (2, 32845610), (4, 16422805), (5, 13138244), (7, 9384460), (10, 6569122), (14, 4692230), (20, 3284561), (23, 2856140), (28, 2346115), (35, 1876892), (46, 1428070), (70, 938446), (92, 714035), (115, 571228), (140, 469223), (161, 408020), (230, 285614), (322, 204010), (460, 142807), (529, 124180), (644, 102005), (805, 81604), (887, 74060), (1058, 62090), (1610, 40802), (1774, 37030), (2116, 31045), (2645, 24836), (3220, 20401), (3548, 18515), (3703, 17740), (4435, 14812), (5290, 12418), (6209, 10580), (7406, 8870)]