81587072

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 200931840

約数和(自身を除く): 119344768

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 37, 46, 56, 64, 74, 92, 107, 112, 128, 148, 161, 184, 214, 224, 259, 296, 322, 368, 428, 448, 518, 592, 644, 736, 749, 851, 856, 896, 1036, 1184, 1288, 1472, 1498, 1702, 1712, 2072, 2368, 2461, 2576, 2944, 2996, 3404, 3424, 3959, 4144, 4736, 4922, 5152, 5957, 5992, 6808, 6848, 7918, 8288, 9844, 10304, 11914, 11984, 13616, 13696, 15836, 16576, 17227, 19688, 20608, 23828, 23968, 27232, 27713, 31672, 33152, 34454, 39376, 47656, 47936, 54464, 55426, 63344, 68908, 78752, 91057, 95312, 95872, 108928, 110852, 126688, 137816, 157504, 182114, 190624, 221704, 253376, 275632, 315008, 364228, 381248, 443408, 506752, 551264, 637399, 728456, 762496, 886816, 1102528, 1274798, 1456912, 1773632, 2205056, 2549596, 2913824, 3547264, 5099192, 5827648, 10198384, 11655296, 20396768, 40793536, 81587072]

約数ペア:

[(1, 81587072), (2, 40793536), (4, 20396768), (7, 11655296), (8, 10198384), (14, 5827648), (16, 5099192), (23, 3547264), (28, 2913824), (32, 2549596), (37, 2205056), (46, 1773632), (56, 1456912), (64, 1274798), (74, 1102528), (92, 886816), (107, 762496), (112, 728456), (128, 637399), (148, 551264), (161, 506752), (184, 443408), (214, 381248), (224, 364228), (259, 315008), (296, 275632), (322, 253376), (368, 221704), (428, 190624), (448, 182114), (518, 157504), (592, 137816), (644, 126688), (736, 110852), (749, 108928), (851, 95872), (856, 95312), (896, 91057), (1036, 78752), (1184, 68908), (1288, 63344), (1472, 55426), (1498, 54464), (1702, 47936), (1712, 47656), (2072, 39376), (2368, 34454), (2461, 33152), (2576, 31672), (2944, 27713), (2996, 27232), (3404, 23968), (3424, 23828), (3959, 20608), (4144, 19688), (4736, 17227), (4922, 16576), (5152, 15836), (5957, 13696), (5992, 13616), (6808, 11984), (6848, 11914), (7918, 10304), (8288, 9844)]