256393728

素因数分解:

$2^9\times 3^3\times {\mathrm{17}}^1\times {\mathrm{1091}}^1$

素因数の和:1135

約数の個数: 160

約数和(自身を含む): 804323520

約数和(自身を除く): 547929792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 96, 102, 108, 128, 136, 144, 153, 192, 204, 216, 256, 272, 288, 306, 384, 408, 432, 459, 512, 544, 576, 612, 768, 816, 864, 918, 1088, 1091, 1152, 1224, 1536, 1632, 1728, 1836, 2176, 2182, 2304, 2448, 3264, 3273, 3456, 3672, 4352, 4364, 4608, 4896, 6528, 6546, 6912, 7344, 8704, 8728, 9792, 9819, 13056, 13092, 13824, 14688, 17456, 18547, 19584, 19638, 26112, 26184, 29376, 29457, 34912, 37094, 39168, 39276, 52368, 55641, 58752, 58914, 69824, 74188, 78336, 78552, 104736, 111282, 117504, 117828, 139648, 148376, 157104, 166923, 209472, 222564, 235008, 235656, 279296, 296752, 314208, 333846, 418944, 445128, 471312, 500769, 558592, 593504, 628416, 667692, 837888, 890256, 942624, 1001538, 1187008, 1256832, 1335384, 1675776, 1780512, 1885248, 2003076, 2374016, 2513664, 2670768, 3561024, 3770496, 4006152, 4748032, 5027328, 5341536, 7122048, 7540992, 8012304, 9496064, 10683072, 14244096, 15081984, 16024608, 21366144, 28488192, 32049216, 42732288, 64098432, 85464576, 128196864, 256393728]

約数ペア:

[(1, 256393728), (2, 128196864), (3, 85464576), (4, 64098432), (6, 42732288), (8, 32049216), (9, 28488192), (12, 21366144), (16, 16024608), (17, 15081984), (18, 14244096), (24, 10683072), (27, 9496064), (32, 8012304), (34, 7540992), (36, 7122048), (48, 5341536), (51, 5027328), (54, 4748032), (64, 4006152), (68, 3770496), (72, 3561024), (96, 2670768), (102, 2513664), (108, 2374016), (128, 2003076), (136, 1885248), (144, 1780512), (153, 1675776), (192, 1335384), (204, 1256832), (216, 1187008), (256, 1001538), (272, 942624), (288, 890256), (306, 837888), (384, 667692), (408, 628416), (432, 593504), (459, 558592), (512, 500769), (544, 471312), (576, 445128), (612, 418944), (768, 333846), (816, 314208), (864, 296752), (918, 279296), (1088, 235656), (1091, 235008), (1152, 222564), (1224, 209472), (1536, 166923), (1632, 157104), (1728, 148376), (1836, 139648), (2176, 117828), (2182, 117504), (2304, 111282), (2448, 104736), (3264, 78552), (3273, 78336), (3456, 74188), (3672, 69824), (4352, 58914), (4364, 58752), (4608, 55641), (4896, 52368), (6528, 39276), (6546, 39168), (6912, 37094), (7344, 34912), (8704, 29457), (8728, 29376), (9792, 26184), (9819, 26112), (13056, 19638), (13092, 19584), (13824, 18547), (14688, 17456)]