320809216

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 807657984

約数和(自身を除く): 486848768

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 47, 52, 56, 64, 91, 94, 104, 112, 128, 182, 188, 208, 224, 256, 293, 329, 364, 376, 416, 448, 586, 611, 658, 728, 752, 832, 896, 1172, 1222, 1316, 1456, 1504, 1664, 1792, 2051, 2344, 2444, 2632, 2912, 3008, 3328, 3809, 4102, 4277, 4688, 4888, 5264, 5824, 6016, 7618, 8204, 8554, 9376, 9776, 10528, 11648, 12032, 13771, 15236, 16408, 17108, 18752, 19552, 21056, 23296, 26663, 27542, 30472, 32816, 34216, 37504, 39104, 42112, 53326, 55084, 60944, 65632, 68432, 75008, 78208, 84224, 96397, 106652, 110168, 121888, 131264, 136864, 156416, 179023, 192794, 213304, 220336, 243776, 262528, 273728, 358046, 385588, 426608, 440672, 487552, 525056, 547456, 716092, 771176, 853216, 881344, 975104, 1094912, 1253161, 1432184, 1542352, 1706432, 1762688, 2506322, 2864368, 3084704, 3412864, 3525376, 5012644, 5728736, 6169408, 6825728, 10025288, 11457472, 12338816, 20050576, 22914944, 24677632, 40101152, 45829888, 80202304, 160404608, 320809216]

約数ペア:

[(1, 320809216), (2, 160404608), (4, 80202304), (7, 45829888), (8, 40101152), (13, 24677632), (14, 22914944), (16, 20050576), (26, 12338816), (28, 11457472), (32, 10025288), (47, 6825728), (52, 6169408), (56, 5728736), (64, 5012644), (91, 3525376), (94, 3412864), (104, 3084704), (112, 2864368), (128, 2506322), (182, 1762688), (188, 1706432), (208, 1542352), (224, 1432184), (256, 1253161), (293, 1094912), (329, 975104), (364, 881344), (376, 853216), (416, 771176), (448, 716092), (586, 547456), (611, 525056), (658, 487552), (728, 440672), (752, 426608), (832, 385588), (896, 358046), (1172, 273728), (1222, 262528), (1316, 243776), (1456, 220336), (1504, 213304), (1664, 192794), (1792, 179023), (2051, 156416), (2344, 136864), (2444, 131264), (2632, 121888), (2912, 110168), (3008, 106652), (3328, 96397), (3809, 84224), (4102, 78208), (4277, 75008), (4688, 68432), (4888, 65632), (5264, 60944), (5824, 55084), (6016, 53326), (7618, 42112), (8204, 39104), (8554, 37504), (9376, 34216), (9776, 32816), (10528, 30472), (11648, 27542), (12032, 26663), (13771, 23296), (15236, 21056), (16408, 19552), (17108, 18752)]