1971379080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165941}}^1$

素因数の和:165972

約数の個数: 128

約数和(自身を含む): 7168694400

約数和(自身を除く): 5197315320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2970, 3960, 5940, 11880, 165941, 331882, 497823, 663764, 829705, 995646, 1327528, 1493469, 1659410, 1825351, 1991292, 2489115, 2986938, 3318820, 3650702, 3982584, 4480407, 4978230, 5476053, 5973876, 6637640, 7301404, 7467345, 8960814, 9126755, 9956460, 10952106, 11947752, 14602808, 14934690, 16428159, 17921628, 18253510, 19912920, 21904212, 22402035, 27380265, 29869380, 32856318, 35843256, 36507020, 43808424, 44804070, 49284477, 54760530, 59738760, 65712636, 73014040, 82140795, 89608140, 98568954, 109521060, 131425272, 164281590, 179216280, 197137908, 219042120, 246422385, 328563180, 394275816, 492844770, 657126360, 985689540, 1971379080]

約数ペア:

[(1, 1971379080), (2, 985689540), (3, 657126360), (4, 492844770), (5, 394275816), (6, 328563180), (8, 246422385), (9, 219042120), (10, 197137908), (11, 179216280), (12, 164281590), (15, 131425272), (18, 109521060), (20, 98568954), (22, 89608140), (24, 82140795), (27, 73014040), (30, 65712636), (33, 59738760), (36, 54760530), (40, 49284477), (44, 44804070), (45, 43808424), (54, 36507020), (55, 35843256), (60, 32856318), (66, 29869380), (72, 27380265), (88, 22402035), (90, 21904212), (99, 19912920), (108, 18253510), (110, 17921628), (120, 16428159), (132, 14934690), (135, 14602808), (165, 11947752), (180, 10952106), (198, 9956460), (216, 9126755), (220, 8960814), (264, 7467345), (270, 7301404), (297, 6637640), (330, 5973876), (360, 5476053), (396, 4978230), (440, 4480407), (495, 3982584), (540, 3650702), (594, 3318820), (660, 2986938), (792, 2489115), (990, 1991292), (1080, 1825351), (1188, 1659410), (1320, 1493469), (1485, 1327528), (1980, 995646), (2376, 829705), (2970, 663764), (3960, 497823), (5940, 331882), (11880, 165941)]