81448416

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{67}}^2$

素因数の和:163

約数の個数: 180

約数和(自身を含む): 277904088

約数和(自身を除く): 196455672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 67, 72, 81, 84, 96, 108, 112, 126, 134, 144, 162, 168, 189, 201, 216, 224, 252, 268, 288, 324, 336, 378, 402, 432, 469, 504, 536, 567, 603, 648, 672, 756, 804, 864, 938, 1008, 1072, 1134, 1206, 1296, 1407, 1512, 1608, 1809, 1876, 2016, 2144, 2268, 2412, 2592, 2814, 3024, 3216, 3618, 3752, 4221, 4489, 4536, 4824, 5427, 5628, 6048, 6432, 7236, 7504, 8442, 8978, 9072, 9648, 10854, 11256, 12663, 13467, 14472, 15008, 16884, 17956, 18144, 19296, 21708, 22512, 25326, 26934, 28944, 31423, 33768, 35912, 37989, 40401, 43416, 45024, 50652, 53868, 57888, 62846, 67536, 71824, 75978, 80802, 86832, 94269, 101304, 107736, 121203, 125692, 135072, 143648, 151956, 161604, 173664, 188538, 202608, 215472, 242406, 251384, 282807, 303912, 323208, 363609, 377076, 405216, 430944, 484812, 502768, 565614, 607824, 646416, 727218, 754152, 848421, 969624, 1005536, 1131228, 1215648, 1292832, 1454436, 1508304, 1696842, 1939248, 2262456, 2545263, 2908872, 3016608, 3393684, 3878496, 4524912, 5090526, 5817744, 6787368, 9049824, 10181052, 11635488, 13574736, 20362104, 27149472, 40724208, 81448416]

約数ペア:

[(1, 81448416), (2, 40724208), (3, 27149472), (4, 20362104), (6, 13574736), (7, 11635488), (8, 10181052), (9, 9049824), (12, 6787368), (14, 5817744), (16, 5090526), (18, 4524912), (21, 3878496), (24, 3393684), (27, 3016608), (28, 2908872), (32, 2545263), (36, 2262456), (42, 1939248), (48, 1696842), (54, 1508304), (56, 1454436), (63, 1292832), (67, 1215648), (72, 1131228), (81, 1005536), (84, 969624), (96, 848421), (108, 754152), (112, 727218), (126, 646416), (134, 607824), (144, 565614), (162, 502768), (168, 484812), (189, 430944), (201, 405216), (216, 377076), (224, 363609), (252, 323208), (268, 303912), (288, 282807), (324, 251384), (336, 242406), (378, 215472), (402, 202608), (432, 188538), (469, 173664), (504, 161604), (536, 151956), (567, 143648), (603, 135072), (648, 125692), (672, 121203), (756, 107736), (804, 101304), (864, 94269), (938, 86832), (1008, 80802), (1072, 75978), (1134, 71824), (1206, 67536), (1296, 62846), (1407, 57888), (1512, 53868), (1608, 50652), (1809, 45024), (1876, 43416), (2016, 40401), (2144, 37989), (2268, 35912), (2412, 33768), (2592, 31423), (2814, 28944), (3024, 26934), (3216, 25326), (3618, 22512), (3752, 21708), (4221, 19296), (4489, 18144), (4536, 17956), (4824, 16884), (5427, 15008), (5628, 14472), (6048, 13467), (6432, 12663), (7236, 11256), (7504, 10854), (8442, 9648), (8978, 9072)]