256934720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6037}}^1$

素因数の和:6080

約数の個数: 112

約数和(自身を含む): 736152960

約数和(自身を除く): 479218240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 665, 760, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2660, 3040, 4256, 5320, 6037, 6080, 8512, 10640, 12074, 21280, 24148, 30185, 42259, 42560, 48296, 60370, 84518, 96592, 114703, 120740, 169036, 193184, 211295, 229406, 241480, 338072, 386368, 422590, 458812, 482960, 573515, 676144, 802921, 845180, 917624, 965920, 1147030, 1352288, 1605842, 1690360, 1835248, 1931840, 2294060, 2704576, 3211684, 3380720, 3670496, 4014605, 4588120, 6423368, 6761440, 7340992, 8029210, 9176240, 12846736, 13522880, 16058420, 18352480, 25693472, 32116840, 36704960, 51386944, 64233680, 128467360, 256934720]

約数ペア:

[(1, 256934720), (2, 128467360), (4, 64233680), (5, 51386944), (7, 36704960), (8, 32116840), (10, 25693472), (14, 18352480), (16, 16058420), (19, 13522880), (20, 12846736), (28, 9176240), (32, 8029210), (35, 7340992), (38, 6761440), (40, 6423368), (56, 4588120), (64, 4014605), (70, 3670496), (76, 3380720), (80, 3211684), (95, 2704576), (112, 2294060), (133, 1931840), (140, 1835248), (152, 1690360), (160, 1605842), (190, 1352288), (224, 1147030), (266, 965920), (280, 917624), (304, 845180), (320, 802921), (380, 676144), (448, 573515), (532, 482960), (560, 458812), (608, 422590), (665, 386368), (760, 338072), (1064, 241480), (1120, 229406), (1216, 211295), (1330, 193184), (1520, 169036), (2128, 120740), (2240, 114703), (2660, 96592), (3040, 84518), (4256, 60370), (5320, 48296), (6037, 42560), (6080, 42259), (8512, 30185), (10640, 24148), (12074, 21280)]