1561556080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2689}}^1$

素因数の和:2787

約数の個数: 160

約数和(自身を含む): 4467035520

約数和(自身を除く): 2905479440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 61, 68, 70, 80, 85, 112, 119, 122, 136, 140, 170, 238, 244, 272, 280, 305, 340, 427, 476, 488, 560, 595, 610, 680, 854, 952, 976, 1037, 1190, 1220, 1360, 1708, 1904, 2074, 2135, 2380, 2440, 2689, 3416, 4148, 4270, 4760, 4880, 5185, 5378, 6832, 7259, 8296, 8540, 9520, 10370, 10756, 13445, 14518, 16592, 17080, 18823, 20740, 21512, 26890, 29036, 34160, 36295, 37646, 41480, 43024, 45713, 53780, 58072, 72590, 75292, 82960, 91426, 94115, 107560, 116144, 145180, 150584, 164029, 182852, 188230, 215120, 228565, 290360, 301168, 319991, 328058, 365704, 376460, 457130, 580720, 639982, 656116, 731408, 752920, 820145, 914260, 1148203, 1279964, 1312232, 1505840, 1599955, 1640290, 1828520, 2296406, 2559928, 2624464, 2788493, 3199910, 3280580, 3657040, 4592812, 5119856, 5576986, 5741015, 6399820, 6561160, 9185624, 11153972, 11482030, 12799640, 13122320, 13942465, 18371248, 19519451, 22307944, 22964060, 25599280, 27884930, 39038902, 44615888, 45928120, 55769860, 78077804, 91856240, 97597255, 111539720, 156155608, 195194510, 223079440, 312311216, 390389020, 780778040, 1561556080]

約数ペア:

[(1, 1561556080), (2, 780778040), (4, 390389020), (5, 312311216), (7, 223079440), (8, 195194510), (10, 156155608), (14, 111539720), (16, 97597255), (17, 91856240), (20, 78077804), (28, 55769860), (34, 45928120), (35, 44615888), (40, 39038902), (56, 27884930), (61, 25599280), (68, 22964060), (70, 22307944), (80, 19519451), (85, 18371248), (112, 13942465), (119, 13122320), (122, 12799640), (136, 11482030), (140, 11153972), (170, 9185624), (238, 6561160), (244, 6399820), (272, 5741015), (280, 5576986), (305, 5119856), (340, 4592812), (427, 3657040), (476, 3280580), (488, 3199910), (560, 2788493), (595, 2624464), (610, 2559928), (680, 2296406), (854, 1828520), (952, 1640290), (976, 1599955), (1037, 1505840), (1190, 1312232), (1220, 1279964), (1360, 1148203), (1708, 914260), (1904, 820145), (2074, 752920), (2135, 731408), (2380, 656116), (2440, 639982), (2689, 580720), (3416, 457130), (4148, 376460), (4270, 365704), (4760, 328058), (4880, 319991), (5185, 301168), (5378, 290360), (6832, 228565), (7259, 215120), (8296, 188230), (8540, 182852), (9520, 164029), (10370, 150584), (10756, 145180), (13445, 116144), (14518, 107560), (16592, 94115), (17080, 91426), (18823, 82960), (20740, 75292), (21512, 72590), (26890, 58072), (29036, 53780), (34160, 45713), (36295, 43024), (37646, 41480)]