15905280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:154

約数の個数: 160

約数和(自身を含む): 54014400

約数和(自身を除く): 38109120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 109, 114, 120, 128, 152, 160, 190, 192, 218, 228, 240, 256, 285, 304, 320, 327, 380, 384, 436, 456, 480, 512, 545, 570, 608, 640, 654, 760, 768, 872, 912, 960, 1090, 1140, 1216, 1280, 1308, 1520, 1536, 1635, 1744, 1824, 1920, 2071, 2180, 2280, 2432, 2560, 2616, 3040, 3270, 3488, 3648, 3840, 4142, 4360, 4560, 4864, 5232, 6080, 6213, 6540, 6976, 7296, 7680, 8284, 8720, 9120, 9728, 10355, 10464, 12160, 12426, 13080, 13952, 14592, 16568, 17440, 18240, 20710, 20928, 24320, 24852, 26160, 27904, 29184, 31065, 33136, 34880, 36480, 41420, 41856, 48640, 49704, 52320, 55808, 62130, 66272, 69760, 72960, 82840, 83712, 99408, 104640, 124260, 132544, 139520, 145920, 165680, 167424, 198816, 209280, 248520, 265088, 279040, 331360, 397632, 418560, 497040, 530176, 662720, 795264, 837120, 994080, 1060352, 1325440, 1590528, 1988160, 2650880, 3181056, 3976320, 5301760, 7952640, 15905280]

約数ペア:

[(1, 15905280), (2, 7952640), (3, 5301760), (4, 3976320), (5, 3181056), (6, 2650880), (8, 1988160), (10, 1590528), (12, 1325440), (15, 1060352), (16, 994080), (19, 837120), (20, 795264), (24, 662720), (30, 530176), (32, 497040), (38, 418560), (40, 397632), (48, 331360), (57, 279040), (60, 265088), (64, 248520), (76, 209280), (80, 198816), (95, 167424), (96, 165680), (109, 145920), (114, 139520), (120, 132544), (128, 124260), (152, 104640), (160, 99408), (190, 83712), (192, 82840), (218, 72960), (228, 69760), (240, 66272), (256, 62130), (285, 55808), (304, 52320), (320, 49704), (327, 48640), (380, 41856), (384, 41420), (436, 36480), (456, 34880), (480, 33136), (512, 31065), (545, 29184), (570, 27904), (608, 26160), (640, 24852), (654, 24320), (760, 20928), (768, 20710), (872, 18240), (912, 17440), (960, 16568), (1090, 14592), (1140, 13952), (1216, 13080), (1280, 12426), (1308, 12160), (1520, 10464), (1536, 10355), (1635, 9728), (1744, 9120), (1824, 8720), (1920, 8284), (2071, 7680), (2180, 7296), (2280, 6976), (2432, 6540), (2560, 6213), (2616, 6080), (3040, 5232), (3270, 4864), (3488, 4560), (3648, 4360), (3840, 4142)]