261349440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{24749}}^1$

素因数の和:24780

約数の個数: 112

約数和(自身を含む): 905256000

約数和(自身を除く): 643906560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 480, 528, 660, 704, 880, 960, 1056, 1320, 1760, 2112, 2640, 3520, 5280, 10560, 24749, 49498, 74247, 98996, 123745, 148494, 197992, 247490, 272239, 296988, 371235, 395984, 494980, 544478, 593976, 742470, 791968, 816717, 989960, 1088956, 1187952, 1361195, 1484940, 1583936, 1633434, 1979920, 2177912, 2375904, 2722390, 2969880, 3266868, 3959840, 4083585, 4355824, 4751808, 5444780, 5939760, 6533736, 7919680, 8167170, 8711648, 10889560, 11879520, 13067472, 16334340, 17423296, 21779120, 23759040, 26134944, 32668680, 43558240, 52269888, 65337360, 87116480, 130674720, 261349440]

約数ペア:

[(1, 261349440), (2, 130674720), (3, 87116480), (4, 65337360), (5, 52269888), (6, 43558240), (8, 32668680), (10, 26134944), (11, 23759040), (12, 21779120), (15, 17423296), (16, 16334340), (20, 13067472), (22, 11879520), (24, 10889560), (30, 8711648), (32, 8167170), (33, 7919680), (40, 6533736), (44, 5939760), (48, 5444780), (55, 4751808), (60, 4355824), (64, 4083585), (66, 3959840), (80, 3266868), (88, 2969880), (96, 2722390), (110, 2375904), (120, 2177912), (132, 1979920), (160, 1633434), (165, 1583936), (176, 1484940), (192, 1361195), (220, 1187952), (240, 1088956), (264, 989960), (320, 816717), (330, 791968), (352, 742470), (440, 593976), (480, 544478), (528, 494980), (660, 395984), (704, 371235), (880, 296988), (960, 272239), (1056, 247490), (1320, 197992), (1760, 148494), (2112, 123745), (2640, 98996), (3520, 74247), (5280, 49498), (10560, 24749)]