1307721856

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 192

約数和(自身を含む): 3248985600

約数和(自身を除く): 1941263744

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 46, 56, 62, 64, 89, 92, 112, 124, 128, 161, 178, 184, 217, 224, 248, 322, 356, 368, 434, 448, 496, 529, 623, 644, 712, 713, 736, 868, 896, 992, 1058, 1246, 1288, 1424, 1426, 1472, 1736, 1984, 2047, 2116, 2492, 2576, 2759, 2848, 2852, 2944, 3472, 3703, 3968, 4094, 4232, 4984, 4991, 5152, 5518, 5696, 5704, 6944, 7406, 8188, 8464, 9968, 9982, 10304, 11036, 11392, 11408, 13888, 14329, 14812, 16376, 16399, 16928, 19313, 19936, 19964, 20608, 22072, 22816, 27776, 28658, 29624, 32752, 32798, 33856, 38626, 39872, 39928, 44144, 45632, 47081, 57316, 59248, 63457, 65504, 65596, 67712, 77252, 79744, 79856, 88288, 91264, 94162, 114632, 114793, 118496, 126914, 131008, 131192, 154504, 159712, 176576, 188324, 229264, 229586, 236992, 253828, 262016, 262384, 309008, 319424, 329567, 353152, 376648, 444199, 458528, 459172, 473984, 507656, 524768, 618016, 638848, 659134, 753296, 888398, 917056, 918344, 1015312, 1049536, 1236032, 1318268, 1459511, 1506592, 1776796, 1834112, 1836688, 2030624, 2099072, 2472064, 2636536, 2919022, 3013184, 3553592, 3673376, 4061248, 5273072, 5838044, 6026368, 7107184, 7346752, 8122496, 10216577, 10546144, 11676088, 14214368, 14693504, 20433154, 21092288, 23352176, 28428736, 40866308, 42184576, 46704352, 56857472, 81732616, 93408704, 163465232, 186817408, 326930464, 653860928, 1307721856]

約数ペア:

[(1, 1307721856), (2, 653860928), (4, 326930464), (7, 186817408), (8, 163465232), (14, 93408704), (16, 81732616), (23, 56857472), (28, 46704352), (31, 42184576), (32, 40866308), (46, 28428736), (56, 23352176), (62, 21092288), (64, 20433154), (89, 14693504), (92, 14214368), (112, 11676088), (124, 10546144), (128, 10216577), (161, 8122496), (178, 7346752), (184, 7107184), (217, 6026368), (224, 5838044), (248, 5273072), (322, 4061248), (356, 3673376), (368, 3553592), (434, 3013184), (448, 2919022), (496, 2636536), (529, 2472064), (623, 2099072), (644, 2030624), (712, 1836688), (713, 1834112), (736, 1776796), (868, 1506592), (896, 1459511), (992, 1318268), (1058, 1236032), (1246, 1049536), (1288, 1015312), (1424, 918344), (1426, 917056), (1472, 888398), (1736, 753296), (1984, 659134), (2047, 638848), (2116, 618016), (2492, 524768), (2576, 507656), (2759, 473984), (2848, 459172), (2852, 458528), (2944, 444199), (3472, 376648), (3703, 353152), (3968, 329567), (4094, 319424), (4232, 309008), (4984, 262384), (4991, 262016), (5152, 253828), (5518, 236992), (5696, 229586), (5704, 229264), (6944, 188324), (7406, 176576), (8188, 159712), (8464, 154504), (9968, 131192), (9982, 131008), (10304, 126914), (11036, 118496), (11392, 114793), (11408, 114632), (13888, 94162), (14329, 91264), (14812, 88288), (16376, 79856), (16399, 79744), (16928, 77252), (19313, 67712), (19936, 65596), (19964, 65504), (20608, 63457), (22072, 59248), (22816, 57316), (27776, 47081), (28658, 45632), (29624, 44144), (32752, 39928), (32798, 39872), (33856, 38626)]