128480256

素因数分解:

$2^{10}\times 3^4\times {\mathrm{1549}}^1$

素因数の和:1581

約数の個数: 110

約数和(自身を含む): 383914850

約数和(自身を除く): 255434594

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 512, 576, 648, 768, 864, 1024, 1152, 1296, 1536, 1549, 1728, 2304, 2592, 3072, 3098, 3456, 4608, 4647, 5184, 6196, 6912, 9216, 9294, 10368, 12392, 13824, 13941, 18588, 20736, 24784, 27648, 27882, 37176, 41472, 41823, 49568, 55764, 74352, 82944, 83646, 99136, 111528, 125469, 148704, 167292, 198272, 223056, 250938, 297408, 334584, 396544, 446112, 501876, 594816, 669168, 793088, 892224, 1003752, 1189632, 1338336, 1586176, 1784448, 2007504, 2379264, 2676672, 3568896, 4015008, 4758528, 5353344, 7137792, 8030016, 10706688, 14275584, 16060032, 21413376, 32120064, 42826752, 64240128, 128480256]

約数ペア:

[(1, 128480256), (2, 64240128), (3, 42826752), (4, 32120064), (6, 21413376), (8, 16060032), (9, 14275584), (12, 10706688), (16, 8030016), (18, 7137792), (24, 5353344), (27, 4758528), (32, 4015008), (36, 3568896), (48, 2676672), (54, 2379264), (64, 2007504), (72, 1784448), (81, 1586176), (96, 1338336), (108, 1189632), (128, 1003752), (144, 892224), (162, 793088), (192, 669168), (216, 594816), (256, 501876), (288, 446112), (324, 396544), (384, 334584), (432, 297408), (512, 250938), (576, 223056), (648, 198272), (768, 167292), (864, 148704), (1024, 125469), (1152, 111528), (1296, 99136), (1536, 83646), (1549, 82944), (1728, 74352), (2304, 55764), (2592, 49568), (3072, 41823), (3098, 41472), (3456, 37176), (4608, 27882), (4647, 27648), (5184, 24784), (6196, 20736), (6912, 18588), (9216, 13941), (9294, 13824), (10368, 12392)]