80708256

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{3947}}^1$

素因数の和:4034

約数の個数: 72

約数和(自身を含む): 232805664

約数和(自身を除く): 152097408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1136, 1278, 1704, 2272, 2556, 3408, 3947, 5112, 6816, 7894, 10224, 11841, 15788, 20448, 23682, 31576, 35523, 47364, 63152, 71046, 94728, 126304, 142092, 189456, 280237, 284184, 378912, 560474, 568368, 840711, 1120948, 1136736, 1681422, 2241896, 2522133, 3362844, 4483792, 5044266, 6725688, 8967584, 10088532, 13451376, 20177064, 26902752, 40354128, 80708256]

約数ペア:

[(1, 80708256), (2, 40354128), (3, 26902752), (4, 20177064), (6, 13451376), (8, 10088532), (9, 8967584), (12, 6725688), (16, 5044266), (18, 4483792), (24, 3362844), (32, 2522133), (36, 2241896), (48, 1681422), (71, 1136736), (72, 1120948), (96, 840711), (142, 568368), (144, 560474), (213, 378912), (284, 284184), (288, 280237), (426, 189456), (568, 142092), (639, 126304), (852, 94728), (1136, 71046), (1278, 63152), (1704, 47364), (2272, 35523), (2556, 31576), (3408, 23682), (3947, 20448), (5112, 15788), (6816, 11841), (7894, 10224)]