65513280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{9749}}^1$

素因数の和:9776

約数の個数: 112

約数和(自身を含む): 237744000

約数和(自身を除く): 172230720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 9749, 19498, 29247, 38996, 48745, 58494, 68243, 77992, 97490, 116988, 136486, 146235, 155984, 194980, 204729, 233976, 272972, 292470, 311968, 341215, 389960, 409458, 467952, 545944, 584940, 623936, 682430, 779920, 818916, 935904, 1023645, 1091888, 1169880, 1364860, 1559840, 1637832, 1871808, 2047290, 2183776, 2339760, 2729720, 3119680, 3275664, 4094580, 4367552, 4679520, 5459440, 6551328, 8189160, 9359040, 10918880, 13102656, 16378320, 21837760, 32756640, 65513280]

約数ペア:

[(1, 65513280), (2, 32756640), (3, 21837760), (4, 16378320), (5, 13102656), (6, 10918880), (7, 9359040), (8, 8189160), (10, 6551328), (12, 5459440), (14, 4679520), (15, 4367552), (16, 4094580), (20, 3275664), (21, 3119680), (24, 2729720), (28, 2339760), (30, 2183776), (32, 2047290), (35, 1871808), (40, 1637832), (42, 1559840), (48, 1364860), (56, 1169880), (60, 1091888), (64, 1023645), (70, 935904), (80, 818916), (84, 779920), (96, 682430), (105, 623936), (112, 584940), (120, 545944), (140, 467952), (160, 409458), (168, 389960), (192, 341215), (210, 311968), (224, 292470), (240, 272972), (280, 233976), (320, 204729), (336, 194980), (420, 155984), (448, 146235), (480, 136486), (560, 116988), (672, 97490), (840, 77992), (960, 68243), (1120, 58494), (1344, 48745), (1680, 38996), (2240, 29247), (3360, 19498), (6720, 9749)]