72821680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2083}}^1$

素因数の和:2138

約数の個数: 80

約数和(自身を含む): 186059520

約数和(自身を除く): 113237840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2083, 2185, 3496, 4166, 4370, 6992, 8332, 8740, 10415, 16664, 17480, 20830, 33328, 34960, 39577, 41660, 47909, 79154, 83320, 95818, 158308, 166640, 191636, 197885, 239545, 316616, 383272, 395770, 479090, 633232, 766544, 791540, 910271, 958180, 1583080, 1820542, 1916360, 3166160, 3641084, 3832720, 4551355, 7282168, 9102710, 14564336, 18205420, 36410840, 72821680]

約数ペア:

[(1, 72821680), (2, 36410840), (4, 18205420), (5, 14564336), (8, 9102710), (10, 7282168), (16, 4551355), (19, 3832720), (20, 3641084), (23, 3166160), (38, 1916360), (40, 1820542), (46, 1583080), (76, 958180), (80, 910271), (92, 791540), (95, 766544), (115, 633232), (152, 479090), (184, 395770), (190, 383272), (230, 316616), (304, 239545), (368, 197885), (380, 191636), (437, 166640), (460, 158308), (760, 95818), (874, 83320), (920, 79154), (1520, 47909), (1748, 41660), (1840, 39577), (2083, 34960), (2185, 33328), (3496, 20830), (4166, 17480), (4370, 16664), (6992, 10415), (8332, 8740)]