81725904

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:469

約数の個数: 120

約数和(自身を含む): 248812200

約数和(自身を除く): 167086296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 149, 156, 208, 234, 293, 298, 312, 447, 468, 586, 596, 624, 879, 894, 936, 1172, 1192, 1341, 1758, 1788, 1872, 1937, 2344, 2384, 2637, 2682, 3516, 3576, 3809, 3874, 4688, 5274, 5364, 5811, 7032, 7152, 7618, 7748, 10548, 10728, 11427, 11622, 14064, 15236, 15496, 17433, 21096, 21456, 22854, 23244, 30472, 30992, 34281, 34866, 42192, 43657, 45708, 46488, 60944, 68562, 69732, 87314, 91416, 92976, 130971, 137124, 139464, 174628, 182832, 261942, 274248, 278928, 349256, 392913, 523884, 548496, 567541, 698512, 785826, 1047768, 1135082, 1571652, 1702623, 2095536, 2270164, 3143304, 3405246, 4540328, 5107869, 6286608, 6810492, 9080656, 10215738, 13620984, 20431476, 27241968, 40862952, 81725904]

約数ペア:

[(1, 81725904), (2, 40862952), (3, 27241968), (4, 20431476), (6, 13620984), (8, 10215738), (9, 9080656), (12, 6810492), (13, 6286608), (16, 5107869), (18, 4540328), (24, 3405246), (26, 3143304), (36, 2270164), (39, 2095536), (48, 1702623), (52, 1571652), (72, 1135082), (78, 1047768), (104, 785826), (117, 698512), (144, 567541), (149, 548496), (156, 523884), (208, 392913), (234, 349256), (293, 278928), (298, 274248), (312, 261942), (447, 182832), (468, 174628), (586, 139464), (596, 137124), (624, 130971), (879, 92976), (894, 91416), (936, 87314), (1172, 69732), (1192, 68562), (1341, 60944), (1758, 46488), (1788, 45708), (1872, 43657), (1937, 42192), (2344, 34866), (2384, 34281), (2637, 30992), (2682, 30472), (3516, 23244), (3576, 22854), (3809, 21456), (3874, 21096), (4688, 17433), (5274, 15496), (5364, 15236), (5811, 14064), (7032, 11622), (7152, 11427), (7618, 10728), (7748, 10548)]