128956212

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1723}}^1$

素因数の和:1760

約数の個数: 144

約数和(自身を含む): 421704192

約数和(自身を除く): 292747980

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 126, 132, 154, 162, 189, 198, 231, 243, 252, 297, 308, 324, 378, 396, 462, 486, 567, 594, 693, 756, 891, 924, 972, 1134, 1188, 1386, 1701, 1723, 1782, 2079, 2268, 2673, 2772, 3402, 3446, 3564, 4158, 5169, 5346, 6237, 6804, 6892, 8316, 10338, 10692, 12061, 12474, 15507, 18711, 18953, 20676, 24122, 24948, 31014, 36183, 37422, 37906, 46521, 48244, 56859, 62028, 72366, 74844, 75812, 93042, 108549, 113718, 132671, 139563, 144732, 170577, 186084, 217098, 227436, 265342, 279126, 325647, 341154, 398013, 418689, 434196, 511731, 530684, 558252, 651294, 682308, 796026, 837378, 976941, 1023462, 1194039, 1302588, 1535193, 1592052, 1674756, 1953882, 2046924, 2388078, 2930823, 3070386, 3582117, 3907764, 4605579, 4776156, 5861646, 6140772, 7164234, 9211158, 10746351, 11723292, 14328468, 18422316, 21492702, 32239053, 42985404, 64478106, 128956212]

約数ペア:

[(1, 128956212), (2, 64478106), (3, 42985404), (4, 32239053), (6, 21492702), (7, 18422316), (9, 14328468), (11, 11723292), (12, 10746351), (14, 9211158), (18, 7164234), (21, 6140772), (22, 5861646), (27, 4776156), (28, 4605579), (33, 3907764), (36, 3582117), (42, 3070386), (44, 2930823), (54, 2388078), (63, 2046924), (66, 1953882), (77, 1674756), (81, 1592052), (84, 1535193), (99, 1302588), (108, 1194039), (126, 1023462), (132, 976941), (154, 837378), (162, 796026), (189, 682308), (198, 651294), (231, 558252), (243, 530684), (252, 511731), (297, 434196), (308, 418689), (324, 398013), (378, 341154), (396, 325647), (462, 279126), (486, 265342), (567, 227436), (594, 217098), (693, 186084), (756, 170577), (891, 144732), (924, 139563), (972, 132671), (1134, 113718), (1188, 108549), (1386, 93042), (1701, 75812), (1723, 74844), (1782, 72366), (2079, 62028), (2268, 56859), (2673, 48244), (2772, 46521), (3402, 37906), (3446, 37422), (3564, 36183), (4158, 31014), (5169, 24948), (5346, 24122), (6237, 20676), (6804, 18953), (6892, 18711), (8316, 15507), (10338, 12474), (10692, 12061)]