121824640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:480

約数の個数: 128

約数和(自身を含む): 338411520

約数和(自身を除く): 216586880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 280, 284, 320, 355, 383, 448, 497, 560, 568, 640, 710, 766, 896, 994, 1120, 1136, 1420, 1532, 1915, 1988, 2240, 2272, 2485, 2681, 2840, 3064, 3830, 3976, 4480, 4544, 4970, 5362, 5680, 6128, 7660, 7952, 9088, 9940, 10724, 11360, 12256, 13405, 15320, 15904, 19880, 21448, 22720, 24512, 26810, 27193, 30640, 31808, 39760, 42896, 45440, 49024, 53620, 54386, 61280, 63616, 79520, 85792, 107240, 108772, 122560, 135965, 159040, 171584, 190351, 214480, 217544, 245120, 271930, 318080, 343168, 380702, 428960, 435088, 543860, 761404, 857920, 870176, 951755, 1087720, 1522808, 1715840, 1740352, 1903510, 2175440, 3045616, 3480704, 3807020, 4350880, 6091232, 7614040, 8701760, 12182464, 15228080, 17403520, 24364928, 30456160, 60912320, 121824640]

約数ペア:

[(1, 121824640), (2, 60912320), (4, 30456160), (5, 24364928), (7, 17403520), (8, 15228080), (10, 12182464), (14, 8701760), (16, 7614040), (20, 6091232), (28, 4350880), (32, 3807020), (35, 3480704), (40, 3045616), (56, 2175440), (64, 1903510), (70, 1740352), (71, 1715840), (80, 1522808), (112, 1087720), (128, 951755), (140, 870176), (142, 857920), (160, 761404), (224, 543860), (280, 435088), (284, 428960), (320, 380702), (355, 343168), (383, 318080), (448, 271930), (497, 245120), (560, 217544), (568, 214480), (640, 190351), (710, 171584), (766, 159040), (896, 135965), (994, 122560), (1120, 108772), (1136, 107240), (1420, 85792), (1532, 79520), (1915, 63616), (1988, 61280), (2240, 54386), (2272, 53620), (2485, 49024), (2681, 45440), (2840, 42896), (3064, 39760), (3830, 31808), (3976, 30640), (4480, 27193), (4544, 26810), (4970, 24512), (5362, 22720), (5680, 21448), (6128, 19880), (7660, 15904), (7952, 15320), (9088, 13405), (9940, 12256), (10724, 11360)]