320572672

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^2\times {\mathrm{619}}^1$

素因数の和:676

約数の個数: 108

約数和(自身を含む): 778109920

約数和(自身を除く): 457537248

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 289, 448, 476, 544, 578, 619, 896, 952, 1088, 1156, 1238, 1792, 1904, 2023, 2176, 2312, 2476, 3808, 4046, 4333, 4352, 4624, 4952, 7616, 8092, 8666, 9248, 9904, 10523, 15232, 16184, 17332, 18496, 19808, 21046, 30464, 32368, 34664, 36992, 39616, 42092, 64736, 69328, 73661, 73984, 79232, 84184, 129472, 138656, 147322, 158464, 168368, 178891, 258944, 277312, 294644, 336736, 357782, 517888, 554624, 589288, 673472, 715564, 1109248, 1178576, 1252237, 1346944, 1431128, 2357152, 2504474, 2693888, 2862256, 4714304, 5008948, 5724512, 9428608, 10017896, 11449024, 18857216, 20035792, 22898048, 40071584, 45796096, 80143168, 160286336, 320572672]

約数ペア:

[(1, 320572672), (2, 160286336), (4, 80143168), (7, 45796096), (8, 40071584), (14, 22898048), (16, 20035792), (17, 18857216), (28, 11449024), (32, 10017896), (34, 9428608), (56, 5724512), (64, 5008948), (68, 4714304), (112, 2862256), (119, 2693888), (128, 2504474), (136, 2357152), (224, 1431128), (238, 1346944), (256, 1252237), (272, 1178576), (289, 1109248), (448, 715564), (476, 673472), (544, 589288), (578, 554624), (619, 517888), (896, 357782), (952, 336736), (1088, 294644), (1156, 277312), (1238, 258944), (1792, 178891), (1904, 168368), (2023, 158464), (2176, 147322), (2312, 138656), (2476, 129472), (3808, 84184), (4046, 79232), (4333, 73984), (4352, 73661), (4624, 69328), (4952, 64736), (7616, 42092), (8092, 39616), (8666, 36992), (9248, 34664), (9904, 32368), (10523, 30464), (15232, 21046), (16184, 19808), (17332, 18496)]