19717730560

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{6637}}^1$

素因数の和:6880

約数の個数: 144

約数和(自身を含む): 51775762752

約数和(自身を除く): 32058032192

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 211, 220, 256, 320, 352, 422, 440, 640, 704, 844, 880, 1055, 1280, 1408, 1688, 1760, 2110, 2321, 2816, 3376, 3520, 4220, 4642, 6637, 6752, 7040, 8440, 9284, 11605, 13274, 13504, 14080, 16880, 18568, 23210, 26548, 27008, 33185, 33760, 37136, 46420, 53096, 54016, 66370, 67520, 73007, 74272, 92840, 106192, 132740, 135040, 146014, 148544, 185680, 212384, 265480, 270080, 292028, 297088, 365035, 371360, 424768, 530960, 584056, 594176, 730070, 742720, 849536, 1061920, 1168112, 1400407, 1460140, 1485440, 1699072, 2123840, 2336224, 2800814, 2920280, 2970880, 4247680, 4672448, 5601628, 5840560, 7002035, 8495360, 9344896, 11203256, 11681120, 14004070, 15404477, 18689792, 22406512, 23362240, 28008140, 30808954, 44813024, 46724480, 56016280, 61617908, 77022385, 89626048, 93448960, 112032560, 123235816, 154044770, 179252096, 224065120, 246471632, 308089540, 358504192, 448130240, 492943264, 616179080, 896260480, 985886528, 1232358160, 1792520960, 1971773056, 2464716320, 3943546112, 4929432640, 9858865280, 19717730560]

約数ペア:

[(1, 19717730560), (2, 9858865280), (4, 4929432640), (5, 3943546112), (8, 2464716320), (10, 1971773056), (11, 1792520960), (16, 1232358160), (20, 985886528), (22, 896260480), (32, 616179080), (40, 492943264), (44, 448130240), (55, 358504192), (64, 308089540), (80, 246471632), (88, 224065120), (110, 179252096), (128, 154044770), (160, 123235816), (176, 112032560), (211, 93448960), (220, 89626048), (256, 77022385), (320, 61617908), (352, 56016280), (422, 46724480), (440, 44813024), (640, 30808954), (704, 28008140), (844, 23362240), (880, 22406512), (1055, 18689792), (1280, 15404477), (1408, 14004070), (1688, 11681120), (1760, 11203256), (2110, 9344896), (2321, 8495360), (2816, 7002035), (3376, 5840560), (3520, 5601628), (4220, 4672448), (4642, 4247680), (6637, 2970880), (6752, 2920280), (7040, 2800814), (8440, 2336224), (9284, 2123840), (11605, 1699072), (13274, 1485440), (13504, 1460140), (14080, 1400407), (16880, 1168112), (18568, 1061920), (23210, 849536), (26548, 742720), (27008, 730070), (33185, 594176), (33760, 584056), (37136, 530960), (46420, 424768), (53096, 371360), (54016, 365035), (66370, 297088), (67520, 292028), (73007, 270080), (74272, 265480), (92840, 212384), (106192, 185680), (132740, 148544), (135040, 146014)]