281427520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4703}}^1$

素因数の和:4748

約数の個数: 112

約数和(自身を含む): 774240768

約数和(自身を除く): 492813248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 544, 680, 704, 748, 880, 935, 1088, 1360, 1496, 1760, 1870, 2720, 2992, 3520, 3740, 4703, 5440, 5984, 7480, 9406, 11968, 14960, 18812, 23515, 29920, 37624, 47030, 51733, 59840, 75248, 79951, 94060, 103466, 150496, 159902, 188120, 206932, 258665, 300992, 319804, 376240, 399755, 413864, 517330, 639608, 752480, 799510, 827728, 879461, 1034660, 1279216, 1504960, 1599020, 1655456, 1758922, 2069320, 2558432, 3198040, 3310912, 3517844, 4138640, 4397305, 5116864, 6396080, 7035688, 8277280, 8794610, 12792160, 14071376, 16554560, 17589220, 25584320, 28142752, 35178440, 56285504, 70356880, 140713760, 281427520]

約数ペア:

[(1, 281427520), (2, 140713760), (4, 70356880), (5, 56285504), (8, 35178440), (10, 28142752), (11, 25584320), (16, 17589220), (17, 16554560), (20, 14071376), (22, 12792160), (32, 8794610), (34, 8277280), (40, 7035688), (44, 6396080), (55, 5116864), (64, 4397305), (68, 4138640), (80, 3517844), (85, 3310912), (88, 3198040), (110, 2558432), (136, 2069320), (160, 1758922), (170, 1655456), (176, 1599020), (187, 1504960), (220, 1279216), (272, 1034660), (320, 879461), (340, 827728), (352, 799510), (374, 752480), (440, 639608), (544, 517330), (680, 413864), (704, 399755), (748, 376240), (880, 319804), (935, 300992), (1088, 258665), (1360, 206932), (1496, 188120), (1760, 159902), (1870, 150496), (2720, 103466), (2992, 94060), (3520, 79951), (3740, 75248), (4703, 59840), (5440, 51733), (5984, 47030), (7480, 37624), (9406, 29920), (11968, 23515), (14960, 18812)]