64190720

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 173069568

約数和(自身を除く): 108878848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 97, 110, 128, 160, 176, 188, 194, 220, 235, 256, 320, 352, 376, 388, 440, 470, 485, 517, 640, 704, 752, 776, 880, 940, 970, 1034, 1067, 1280, 1408, 1504, 1552, 1760, 1880, 1940, 2068, 2134, 2585, 2816, 3008, 3104, 3520, 3760, 3880, 4136, 4268, 4559, 5170, 5335, 6016, 6208, 7040, 7520, 7760, 8272, 8536, 9118, 10340, 10670, 12032, 12416, 14080, 15040, 15520, 16544, 17072, 18236, 20680, 21340, 22795, 24832, 30080, 31040, 33088, 34144, 36472, 41360, 42680, 45590, 50149, 60160, 62080, 66176, 68288, 72944, 82720, 85360, 91180, 100298, 124160, 132352, 136576, 145888, 165440, 170720, 182360, 200596, 250745, 273152, 291776, 330880, 341440, 364720, 401192, 501490, 583552, 661760, 682880, 729440, 802384, 1002980, 1167104, 1365760, 1458880, 1604768, 2005960, 2917760, 3209536, 4011920, 5835520, 6419072, 8023840, 12838144, 16047680, 32095360, 64190720]

約数ペア:

[(1, 64190720), (2, 32095360), (4, 16047680), (5, 12838144), (8, 8023840), (10, 6419072), (11, 5835520), (16, 4011920), (20, 3209536), (22, 2917760), (32, 2005960), (40, 1604768), (44, 1458880), (47, 1365760), (55, 1167104), (64, 1002980), (80, 802384), (88, 729440), (94, 682880), (97, 661760), (110, 583552), (128, 501490), (160, 401192), (176, 364720), (188, 341440), (194, 330880), (220, 291776), (235, 273152), (256, 250745), (320, 200596), (352, 182360), (376, 170720), (388, 165440), (440, 145888), (470, 136576), (485, 132352), (517, 124160), (640, 100298), (704, 91180), (752, 85360), (776, 82720), (880, 72944), (940, 68288), (970, 66176), (1034, 62080), (1067, 60160), (1280, 50149), (1408, 45590), (1504, 42680), (1552, 41360), (1760, 36472), (1880, 34144), (1940, 33088), (2068, 31040), (2134, 30080), (2585, 24832), (2816, 22795), (3008, 21340), (3104, 20680), (3520, 18236), (3760, 17072), (3880, 16544), (4136, 15520), (4268, 15040), (4559, 14080), (5170, 12416), (5335, 12032), (6016, 10670), (6208, 10340), (7040, 9118), (7520, 8536), (7760, 8272)]