28057120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 192

約数和(自身を含む): 85349376

約数和(自身を除く): 57292256

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 41, 47, 52, 56, 65, 70, 80, 82, 91, 94, 104, 112, 130, 140, 160, 164, 182, 188, 205, 208, 224, 235, 260, 280, 287, 328, 329, 364, 376, 410, 416, 455, 470, 520, 533, 560, 574, 611, 656, 658, 728, 752, 820, 910, 940, 1040, 1066, 1120, 1148, 1222, 1312, 1316, 1435, 1456, 1504, 1640, 1645, 1820, 1880, 1927, 2080, 2132, 2296, 2444, 2632, 2665, 2870, 2912, 3055, 3280, 3290, 3640, 3731, 3760, 3854, 4264, 4277, 4592, 4888, 5264, 5330, 5740, 6110, 6560, 6580, 7280, 7462, 7520, 7708, 8528, 8554, 9184, 9635, 9776, 10528, 10660, 11480, 12220, 13160, 13489, 14560, 14924, 15416, 17056, 17108, 18655, 19270, 19552, 21320, 21385, 22960, 24440, 25051, 26320, 26978, 29848, 30832, 34216, 37310, 38540, 42640, 42770, 45920, 48880, 50102, 52640, 53956, 59696, 61664, 67445, 68432, 74620, 77080, 85280, 85540, 97760, 100204, 107912, 119392, 125255, 134890, 136864, 149240, 154160, 171080, 175357, 200408, 215824, 250510, 269780, 298480, 308320, 342160, 350714, 400816, 431648, 501020, 539560, 596960, 684320, 701428, 801632, 876785, 1002040, 1079120, 1402856, 1753570, 2004080, 2158240, 2805712, 3507140, 4008160, 5611424, 7014280, 14028560, 28057120]

約数ペア:

[(1, 28057120), (2, 14028560), (4, 7014280), (5, 5611424), (7, 4008160), (8, 3507140), (10, 2805712), (13, 2158240), (14, 2004080), (16, 1753570), (20, 1402856), (26, 1079120), (28, 1002040), (32, 876785), (35, 801632), (40, 701428), (41, 684320), (47, 596960), (52, 539560), (56, 501020), (65, 431648), (70, 400816), (80, 350714), (82, 342160), (91, 308320), (94, 298480), (104, 269780), (112, 250510), (130, 215824), (140, 200408), (160, 175357), (164, 171080), (182, 154160), (188, 149240), (205, 136864), (208, 134890), (224, 125255), (235, 119392), (260, 107912), (280, 100204), (287, 97760), (328, 85540), (329, 85280), (364, 77080), (376, 74620), (410, 68432), (416, 67445), (455, 61664), (470, 59696), (520, 53956), (533, 52640), (560, 50102), (574, 48880), (611, 45920), (656, 42770), (658, 42640), (728, 38540), (752, 37310), (820, 34216), (910, 30832), (940, 29848), (1040, 26978), (1066, 26320), (1120, 25051), (1148, 24440), (1222, 22960), (1312, 21385), (1316, 21320), (1435, 19552), (1456, 19270), (1504, 18655), (1640, 17108), (1645, 17056), (1820, 15416), (1880, 14924), (1927, 14560), (2080, 13489), (2132, 13160), (2296, 12220), (2444, 11480), (2632, 10660), (2665, 10528), (2870, 9776), (2912, 9635), (3055, 9184), (3280, 8554), (3290, 8528), (3640, 7708), (3731, 7520), (3760, 7462), (3854, 7280), (4264, 6580), (4277, 6560), (4592, 6110), (4888, 5740), (5264, 5330)]