27942880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:492

約数の個数: 96

約数和(自身を含む): 76870080

約数和(自身を除く): 48927200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 409, 427, 488, 560, 610, 818, 854, 976, 1120, 1220, 1636, 1708, 1952, 2045, 2135, 2440, 2863, 3272, 3416, 4090, 4270, 4880, 5726, 6544, 6832, 8180, 8540, 9760, 11452, 13088, 13664, 14315, 16360, 17080, 22904, 24949, 28630, 32720, 34160, 45808, 49898, 57260, 65440, 68320, 91616, 99796, 114520, 124745, 174643, 199592, 229040, 249490, 349286, 399184, 458080, 498980, 698572, 798368, 873215, 997960, 1397144, 1746430, 1995920, 2794288, 3492860, 3991840, 5588576, 6985720, 13971440, 27942880]

約数ペア:

[(1, 27942880), (2, 13971440), (4, 6985720), (5, 5588576), (7, 3991840), (8, 3492860), (10, 2794288), (14, 1995920), (16, 1746430), (20, 1397144), (28, 997960), (32, 873215), (35, 798368), (40, 698572), (56, 498980), (61, 458080), (70, 399184), (80, 349286), (112, 249490), (122, 229040), (140, 199592), (160, 174643), (224, 124745), (244, 114520), (280, 99796), (305, 91616), (409, 68320), (427, 65440), (488, 57260), (560, 49898), (610, 45808), (818, 34160), (854, 32720), (976, 28630), (1120, 24949), (1220, 22904), (1636, 17080), (1708, 16360), (1952, 14315), (2045, 13664), (2135, 13088), (2440, 11452), (2863, 9760), (3272, 8540), (3416, 8180), (4090, 6832), (4270, 6544), (4880, 5726)]