1900560640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{389}}^1$

素因数の和:768

約数の個数: 144

約数和(自身を含む): 4993410240

約数和(自身を除く): 3092849600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 347, 352, 389, 440, 640, 694, 704, 778, 880, 1280, 1388, 1408, 1556, 1735, 1760, 1945, 2776, 2816, 3112, 3470, 3520, 3817, 3890, 4279, 5552, 6224, 6940, 7040, 7634, 7780, 8558, 11104, 12448, 13880, 14080, 15268, 15560, 17116, 19085, 21395, 22208, 24896, 27760, 30536, 31120, 34232, 38170, 42790, 44416, 49792, 55520, 61072, 62240, 68464, 76340, 85580, 88832, 99584, 111040, 122144, 124480, 134983, 136928, 152680, 171160, 222080, 244288, 248960, 269966, 273856, 305360, 342320, 444160, 488576, 497920, 539932, 547712, 610720, 674915, 684640, 977152, 1079864, 1095424, 1221440, 1349830, 1369280, 1484813, 2159728, 2442880, 2699660, 2738560, 2969626, 4319456, 4885760, 5399320, 5477120, 5939252, 7424065, 8638912, 10798640, 11878504, 14848130, 17277824, 21597280, 23757008, 29696260, 34555648, 43194560, 47514016, 59392520, 86389120, 95028032, 118785040, 172778240, 190056064, 237570080, 380112128, 475140160, 950280320, 1900560640]

約数ペア:

[(1, 1900560640), (2, 950280320), (4, 475140160), (5, 380112128), (8, 237570080), (10, 190056064), (11, 172778240), (16, 118785040), (20, 95028032), (22, 86389120), (32, 59392520), (40, 47514016), (44, 43194560), (55, 34555648), (64, 29696260), (80, 23757008), (88, 21597280), (110, 17277824), (128, 14848130), (160, 11878504), (176, 10798640), (220, 8638912), (256, 7424065), (320, 5939252), (347, 5477120), (352, 5399320), (389, 4885760), (440, 4319456), (640, 2969626), (694, 2738560), (704, 2699660), (778, 2442880), (880, 2159728), (1280, 1484813), (1388, 1369280), (1408, 1349830), (1556, 1221440), (1735, 1095424), (1760, 1079864), (1945, 977152), (2776, 684640), (2816, 674915), (3112, 610720), (3470, 547712), (3520, 539932), (3817, 497920), (3890, 488576), (4279, 444160), (5552, 342320), (6224, 305360), (6940, 273856), (7040, 269966), (7634, 248960), (7780, 244288), (8558, 222080), (11104, 171160), (12448, 152680), (13880, 136928), (14080, 134983), (15268, 124480), (15560, 122144), (17116, 111040), (19085, 99584), (21395, 88832), (22208, 85580), (24896, 76340), (27760, 68464), (30536, 62240), (31120, 61072), (34232, 55520), (38170, 49792), (42790, 44416)]