66720290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{467}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 149071104

約数和(自身を除く): 82350814

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 157, 182, 314, 455, 467, 785, 910, 934, 1099, 1570, 2041, 2198, 2335, 3269, 4082, 4670, 5495, 6071, 6538, 10205, 10990, 12142, 14287, 16345, 20410, 28574, 30355, 32690, 42497, 60710, 71435, 73319, 84994, 142870, 146638, 212485, 366595, 424970, 513233, 733190, 953147, 1026466, 1906294, 2566165, 4765735, 5132330, 6672029, 9531470, 13344058, 33360145, 66720290]

約数ペア:

[(1, 66720290), (2, 33360145), (5, 13344058), (7, 9531470), (10, 6672029), (13, 5132330), (14, 4765735), (26, 2566165), (35, 1906294), (65, 1026466), (70, 953147), (91, 733190), (130, 513233), (157, 424970), (182, 366595), (314, 212485), (455, 146638), (467, 142870), (785, 84994), (910, 73319), (934, 71435), (1099, 60710), (1570, 42497), (2041, 32690), (2198, 30355), (2335, 28574), (3269, 20410), (4082, 16345), (4670, 14287), (5495, 12142), (6071, 10990), (6538, 10205)]