172020984

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:385

約数の個数: 128

約数和(自身を含む): 479846400

約数和(自身を除く): 307825416

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 43, 57, 62, 76, 86, 93, 114, 124, 129, 152, 172, 186, 228, 248, 258, 283, 344, 372, 456, 516, 566, 589, 744, 817, 849, 1032, 1132, 1178, 1333, 1634, 1698, 1767, 2264, 2356, 2451, 2666, 3268, 3396, 3534, 3999, 4712, 4902, 5332, 5377, 6536, 6792, 7068, 7998, 8773, 9804, 10664, 10754, 12169, 14136, 15996, 16131, 17546, 19608, 21508, 24338, 25327, 26319, 31992, 32262, 35092, 36507, 43016, 48676, 50654, 52638, 64524, 70184, 73014, 75981, 97352, 101308, 105276, 129048, 146028, 151962, 166687, 202616, 210552, 231211, 292056, 303924, 333374, 377239, 462422, 500061, 607848, 666748, 693633, 754478, 924844, 1000122, 1131717, 1333496, 1387266, 1508956, 1849688, 2000244, 2263434, 2774532, 3017912, 4000488, 4526868, 5549064, 7167541, 9053736, 14335082, 21502623, 28670164, 43005246, 57340328, 86010492, 172020984]

約数ペア:

[(1, 172020984), (2, 86010492), (3, 57340328), (4, 43005246), (6, 28670164), (8, 21502623), (12, 14335082), (19, 9053736), (24, 7167541), (31, 5549064), (38, 4526868), (43, 4000488), (57, 3017912), (62, 2774532), (76, 2263434), (86, 2000244), (93, 1849688), (114, 1508956), (124, 1387266), (129, 1333496), (152, 1131717), (172, 1000122), (186, 924844), (228, 754478), (248, 693633), (258, 666748), (283, 607848), (344, 500061), (372, 462422), (456, 377239), (516, 333374), (566, 303924), (589, 292056), (744, 231211), (817, 210552), (849, 202616), (1032, 166687), (1132, 151962), (1178, 146028), (1333, 129048), (1634, 105276), (1698, 101308), (1767, 97352), (2264, 75981), (2356, 73014), (2451, 70184), (2666, 64524), (3268, 52638), (3396, 50654), (3534, 48676), (3999, 43016), (4712, 36507), (4902, 35092), (5332, 32262), (5377, 31992), (6536, 26319), (6792, 25327), (7068, 24338), (7998, 21508), (8773, 19608), (9804, 17546), (10664, 16131), (10754, 15996), (12169, 14136)]