15991872

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 112

約数和(自身を含む): 46939200

約数和(自身を除く): 30947328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 43, 48, 52, 64, 78, 86, 96, 104, 129, 149, 156, 172, 192, 208, 258, 298, 312, 344, 416, 447, 516, 559, 596, 624, 688, 832, 894, 1032, 1118, 1192, 1248, 1376, 1677, 1788, 1937, 2064, 2236, 2384, 2496, 2752, 3354, 3576, 3874, 4128, 4472, 4768, 5811, 6407, 6708, 7152, 7748, 8256, 8944, 9536, 11622, 12814, 13416, 14304, 15496, 17888, 19221, 23244, 25628, 26832, 28608, 30992, 35776, 38442, 46488, 51256, 53664, 61984, 76884, 83291, 92976, 102512, 107328, 123968, 153768, 166582, 185952, 205024, 249873, 307536, 333164, 371904, 410048, 499746, 615072, 666328, 999492, 1230144, 1332656, 1998984, 2665312, 3997968, 5330624, 7995936, 15991872]

約数ペア:

[(1, 15991872), (2, 7995936), (3, 5330624), (4, 3997968), (6, 2665312), (8, 1998984), (12, 1332656), (13, 1230144), (16, 999492), (24, 666328), (26, 615072), (32, 499746), (39, 410048), (43, 371904), (48, 333164), (52, 307536), (64, 249873), (78, 205024), (86, 185952), (96, 166582), (104, 153768), (129, 123968), (149, 107328), (156, 102512), (172, 92976), (192, 83291), (208, 76884), (258, 61984), (298, 53664), (312, 51256), (344, 46488), (416, 38442), (447, 35776), (516, 30992), (559, 28608), (596, 26832), (624, 25628), (688, 23244), (832, 19221), (894, 17888), (1032, 15496), (1118, 14304), (1192, 13416), (1248, 12814), (1376, 11622), (1677, 9536), (1788, 8944), (1937, 8256), (2064, 7748), (2236, 7152), (2384, 6708), (2496, 6407), (2752, 5811), (3354, 4768), (3576, 4472), (3874, 4128)]