71689856

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 128

約数和(自身を含む): 176256000

約数和(自身を除く): 104566144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 31, 32, 56, 58, 62, 64, 89, 112, 116, 124, 128, 178, 203, 217, 224, 232, 248, 356, 406, 434, 448, 464, 496, 623, 712, 812, 868, 896, 899, 928, 992, 1246, 1424, 1624, 1736, 1798, 1856, 1984, 2492, 2581, 2759, 2848, 3248, 3472, 3596, 3712, 3968, 4984, 5162, 5518, 5696, 6293, 6496, 6944, 7192, 9968, 10324, 11036, 11392, 12586, 12992, 13888, 14384, 18067, 19313, 19936, 20648, 22072, 25172, 25984, 27776, 28768, 36134, 38626, 39872, 41296, 44144, 50344, 57536, 72268, 77252, 79744, 80011, 82592, 88288, 100688, 115072, 144536, 154504, 160022, 165184, 176576, 201376, 289072, 309008, 320044, 330368, 353152, 402752, 560077, 578144, 618016, 640088, 805504, 1120154, 1156288, 1236032, 1280176, 2240308, 2312576, 2472064, 2560352, 4480616, 5120704, 8961232, 10241408, 17922464, 35844928, 71689856]

約数ペア:

[(1, 71689856), (2, 35844928), (4, 17922464), (7, 10241408), (8, 8961232), (14, 5120704), (16, 4480616), (28, 2560352), (29, 2472064), (31, 2312576), (32, 2240308), (56, 1280176), (58, 1236032), (62, 1156288), (64, 1120154), (89, 805504), (112, 640088), (116, 618016), (124, 578144), (128, 560077), (178, 402752), (203, 353152), (217, 330368), (224, 320044), (232, 309008), (248, 289072), (356, 201376), (406, 176576), (434, 165184), (448, 160022), (464, 154504), (496, 144536), (623, 115072), (712, 100688), (812, 88288), (868, 82592), (896, 80011), (899, 79744), (928, 77252), (992, 72268), (1246, 57536), (1424, 50344), (1624, 44144), (1736, 41296), (1798, 39872), (1856, 38626), (1984, 36134), (2492, 28768), (2581, 27776), (2759, 25984), (2848, 25172), (3248, 22072), (3472, 20648), (3596, 19936), (3712, 19313), (3968, 18067), (4984, 14384), (5162, 13888), (5518, 12992), (5696, 12586), (6293, 11392), (6496, 11036), (6944, 10324), (7192, 9968)]