839125760

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1070

約数の個数: 144

約数和(自身を含む): 2230919712

約数和(自身を除く): 1391793952

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 64, 80, 88, 110, 122, 128, 160, 176, 220, 244, 256, 305, 320, 352, 440, 488, 610, 640, 671, 704, 880, 976, 977, 1220, 1280, 1342, 1408, 1760, 1952, 1954, 2440, 2684, 2816, 3355, 3520, 3904, 3908, 4880, 4885, 5368, 6710, 7040, 7808, 7816, 9760, 9770, 10736, 10747, 13420, 14080, 15616, 15632, 19520, 19540, 21472, 21494, 26840, 31264, 39040, 39080, 42944, 42988, 53680, 53735, 59597, 62528, 78080, 78160, 85888, 85976, 107360, 107470, 119194, 125056, 156320, 171776, 171952, 214720, 214940, 238388, 250112, 297985, 312640, 343904, 429440, 429880, 476776, 595970, 625280, 655567, 687808, 858880, 859760, 953552, 1191940, 1250560, 1311134, 1375616, 1719520, 1907104, 2383880, 2622268, 2751232, 3277835, 3439040, 3814208, 4767760, 5244536, 6555670, 6878080, 7628416, 9535520, 10489072, 13111340, 13756160, 15256832, 19071040, 20978144, 26222680, 38142080, 41956288, 52445360, 76284160, 83912576, 104890720, 167825152, 209781440, 419562880, 839125760]

約数ペア:

[(1, 839125760), (2, 419562880), (4, 209781440), (5, 167825152), (8, 104890720), (10, 83912576), (11, 76284160), (16, 52445360), (20, 41956288), (22, 38142080), (32, 26222680), (40, 20978144), (44, 19071040), (55, 15256832), (61, 13756160), (64, 13111340), (80, 10489072), (88, 9535520), (110, 7628416), (122, 6878080), (128, 6555670), (160, 5244536), (176, 4767760), (220, 3814208), (244, 3439040), (256, 3277835), (305, 2751232), (320, 2622268), (352, 2383880), (440, 1907104), (488, 1719520), (610, 1375616), (640, 1311134), (671, 1250560), (704, 1191940), (880, 953552), (976, 859760), (977, 858880), (1220, 687808), (1280, 655567), (1342, 625280), (1408, 595970), (1760, 476776), (1952, 429880), (1954, 429440), (2440, 343904), (2684, 312640), (2816, 297985), (3355, 250112), (3520, 238388), (3904, 214940), (3908, 214720), (4880, 171952), (4885, 171776), (5368, 156320), (6710, 125056), (7040, 119194), (7808, 107470), (7816, 107360), (9760, 85976), (9770, 85888), (10736, 78160), (10747, 78080), (13420, 62528), (14080, 59597), (15616, 53735), (15632, 53680), (19520, 42988), (19540, 42944), (21472, 39080), (21494, 39040), (26840, 31264)]