128677728

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 368686080

約数和(自身を除く): 240008352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 47, 48, 57, 76, 79, 94, 96, 114, 141, 152, 158, 188, 228, 237, 282, 304, 316, 361, 376, 456, 474, 564, 608, 632, 722, 752, 893, 912, 948, 1083, 1128, 1264, 1444, 1501, 1504, 1786, 1824, 1896, 2166, 2256, 2528, 2679, 2888, 3002, 3572, 3713, 3792, 4332, 4503, 4512, 5358, 5776, 6004, 7144, 7426, 7584, 8664, 9006, 10716, 11139, 11552, 12008, 14288, 14852, 16967, 17328, 18012, 21432, 22278, 24016, 28519, 28576, 29704, 33934, 34656, 36024, 42864, 44556, 48032, 50901, 57038, 59408, 67868, 70547, 72048, 85557, 85728, 89112, 101802, 114076, 118816, 135736, 141094, 144096, 171114, 178224, 203604, 211641, 228152, 271472, 282188, 342228, 356448, 407208, 423282, 456304, 542944, 564376, 684456, 814416, 846564, 912608, 1128752, 1340393, 1368912, 1628832, 1693128, 2257504, 2680786, 2737824, 3386256, 4021179, 5361572, 6772512, 8042358, 10723144, 16084716, 21446288, 32169432, 42892576, 64338864, 128677728]

約数ペア:

[(1, 128677728), (2, 64338864), (3, 42892576), (4, 32169432), (6, 21446288), (8, 16084716), (12, 10723144), (16, 8042358), (19, 6772512), (24, 5361572), (32, 4021179), (38, 3386256), (47, 2737824), (48, 2680786), (57, 2257504), (76, 1693128), (79, 1628832), (94, 1368912), (96, 1340393), (114, 1128752), (141, 912608), (152, 846564), (158, 814416), (188, 684456), (228, 564376), (237, 542944), (282, 456304), (304, 423282), (316, 407208), (361, 356448), (376, 342228), (456, 282188), (474, 271472), (564, 228152), (608, 211641), (632, 203604), (722, 178224), (752, 171114), (893, 144096), (912, 141094), (948, 135736), (1083, 118816), (1128, 114076), (1264, 101802), (1444, 89112), (1501, 85728), (1504, 85557), (1786, 72048), (1824, 70547), (1896, 67868), (2166, 59408), (2256, 57038), (2528, 50901), (2679, 48032), (2888, 44556), (3002, 42864), (3572, 36024), (3713, 34656), (3792, 33934), (4332, 29704), (4503, 28576), (4512, 28519), (5358, 24016), (5776, 22278), (6004, 21432), (7144, 18012), (7426, 17328), (7584, 16967), (8664, 14852), (9006, 14288), (10716, 12008), (11139, 11552)]