320679296

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:644

約数の個数: 128

約数和(自身を含む): 795355200

約数和(自身を除く): 474675904

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 37, 56, 64, 68, 74, 112, 119, 128, 136, 148, 224, 238, 259, 272, 296, 448, 476, 518, 544, 569, 592, 629, 896, 952, 1036, 1088, 1138, 1184, 1258, 1904, 2072, 2176, 2276, 2368, 2516, 3808, 3983, 4144, 4403, 4552, 4736, 5032, 7616, 7966, 8288, 8806, 9104, 9673, 10064, 15232, 15932, 16576, 17612, 18208, 19346, 20128, 21053, 31864, 33152, 35224, 36416, 38692, 40256, 42106, 63728, 67711, 70448, 72832, 77384, 80512, 84212, 127456, 135422, 140896, 147371, 154768, 168424, 254912, 270844, 281792, 294742, 309536, 336848, 357901, 509824, 541688, 563584, 589484, 619072, 673696, 715802, 1083376, 1178968, 1238144, 1347392, 1431604, 2166752, 2357936, 2505307, 2694784, 2863208, 4333504, 4715872, 5010614, 5726416, 8667008, 9431744, 10021228, 11452832, 18863488, 20042456, 22905664, 40084912, 45811328, 80169824, 160339648, 320679296]

約数ペア:

[(1, 320679296), (2, 160339648), (4, 80169824), (7, 45811328), (8, 40084912), (14, 22905664), (16, 20042456), (17, 18863488), (28, 11452832), (32, 10021228), (34, 9431744), (37, 8667008), (56, 5726416), (64, 5010614), (68, 4715872), (74, 4333504), (112, 2863208), (119, 2694784), (128, 2505307), (136, 2357936), (148, 2166752), (224, 1431604), (238, 1347392), (259, 1238144), (272, 1178968), (296, 1083376), (448, 715802), (476, 673696), (518, 619072), (544, 589484), (569, 563584), (592, 541688), (629, 509824), (896, 357901), (952, 336848), (1036, 309536), (1088, 294742), (1138, 281792), (1184, 270844), (1258, 254912), (1904, 168424), (2072, 154768), (2176, 147371), (2276, 140896), (2368, 135422), (2516, 127456), (3808, 84212), (3983, 80512), (4144, 77384), (4403, 72832), (4552, 70448), (4736, 67711), (5032, 63728), (7616, 42106), (7966, 40256), (8288, 38692), (8806, 36416), (9104, 35224), (9673, 33152), (10064, 31864), (15232, 21053), (15932, 20128), (16576, 19346), (17612, 18208)]