28229040

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1867}}^1$

素因数の和:1896

約数の個数: 160

約数和(自身を含む): 111183360

約数和(自身を除く): 82954320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1867, 1890, 2160, 2520, 3024, 3734, 3780, 5040, 5601, 7468, 7560, 9335, 11202, 13069, 14936, 15120, 16803, 18670, 22404, 26138, 28005, 29872, 33606, 37340, 39207, 44808, 50409, 52276, 56010, 65345, 67212, 74680, 78414, 84015, 89616, 100818, 104552, 112020, 117621, 130690, 134424, 149360, 156828, 168030, 196035, 201636, 209104, 224040, 235242, 252045, 261380, 268848, 313656, 336060, 352863, 392070, 403272, 448080, 470484, 504090, 522760, 588105, 627312, 672120, 705726, 784140, 806544, 940968, 1008180, 1045520, 1176210, 1344240, 1411452, 1568280, 1764315, 1881936, 2016360, 2352420, 2822904, 3136560, 3528630, 4032720, 4704840, 5645808, 7057260, 9409680, 14114520, 28229040]

約数ペア:

[(1, 28229040), (2, 14114520), (3, 9409680), (4, 7057260), (5, 5645808), (6, 4704840), (7, 4032720), (8, 3528630), (9, 3136560), (10, 2822904), (12, 2352420), (14, 2016360), (15, 1881936), (16, 1764315), (18, 1568280), (20, 1411452), (21, 1344240), (24, 1176210), (27, 1045520), (28, 1008180), (30, 940968), (35, 806544), (36, 784140), (40, 705726), (42, 672120), (45, 627312), (48, 588105), (54, 522760), (56, 504090), (60, 470484), (63, 448080), (70, 403272), (72, 392070), (80, 352863), (84, 336060), (90, 313656), (105, 268848), (108, 261380), (112, 252045), (120, 235242), (126, 224040), (135, 209104), (140, 201636), (144, 196035), (168, 168030), (180, 156828), (189, 149360), (210, 134424), (216, 130690), (240, 117621), (252, 112020), (270, 104552), (280, 100818), (315, 89616), (336, 84015), (360, 78414), (378, 74680), (420, 67212), (432, 65345), (504, 56010), (540, 52276), (560, 50409), (630, 44808), (720, 39207), (756, 37340), (840, 33606), (945, 29872), (1008, 28005), (1080, 26138), (1260, 22404), (1512, 18670), (1680, 16803), (1867, 15120), (1890, 14936), (2160, 13069), (2520, 11202), (3024, 9335), (3734, 7560), (3780, 7468), (5040, 5601)]