261097320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{887}}^1$

素因数の和:1135

約数の個数: 128

約数和(自身を含む): 859299840

約数和(自身を除く): 598202520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 223, 264, 330, 440, 446, 660, 669, 887, 892, 1115, 1320, 1338, 1774, 1784, 2230, 2453, 2661, 2676, 3345, 3548, 4435, 4460, 4906, 5322, 5352, 6690, 7096, 7359, 8870, 8920, 9757, 9812, 10644, 12265, 13305, 13380, 14718, 17740, 19514, 19624, 21288, 24530, 26610, 26760, 29271, 29436, 35480, 36795, 39028, 48785, 49060, 53220, 58542, 58872, 73590, 78056, 97570, 98120, 106440, 117084, 146355, 147180, 195140, 197801, 234168, 292710, 294360, 390280, 395602, 585420, 593403, 791204, 989005, 1170840, 1186806, 1582408, 1978010, 2175811, 2373612, 2967015, 3956020, 4351622, 4747224, 5934030, 6527433, 7912040, 8703244, 10879055, 11868060, 13054866, 17406488, 21758110, 23736120, 26109732, 32637165, 43516220, 52219464, 65274330, 87032440, 130548660, 261097320]

約数ペア:

[(1, 261097320), (2, 130548660), (3, 87032440), (4, 65274330), (5, 52219464), (6, 43516220), (8, 32637165), (10, 26109732), (11, 23736120), (12, 21758110), (15, 17406488), (20, 13054866), (22, 11868060), (24, 10879055), (30, 8703244), (33, 7912040), (40, 6527433), (44, 5934030), (55, 4747224), (60, 4351622), (66, 3956020), (88, 2967015), (110, 2373612), (120, 2175811), (132, 1978010), (165, 1582408), (220, 1186806), (223, 1170840), (264, 989005), (330, 791204), (440, 593403), (446, 585420), (660, 395602), (669, 390280), (887, 294360), (892, 292710), (1115, 234168), (1320, 197801), (1338, 195140), (1774, 147180), (1784, 146355), (2230, 117084), (2453, 106440), (2661, 98120), (2676, 97570), (3345, 78056), (3548, 73590), (4435, 58872), (4460, 58542), (4906, 53220), (5322, 49060), (5352, 48785), (6690, 39028), (7096, 36795), (7359, 35480), (8870, 29436), (8920, 29271), (9757, 26760), (9812, 26610), (10644, 24530), (12265, 21288), (13305, 19624), (13380, 19514), (14718, 17740)]