72709120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1291}}^1$

素因数の和:1327

約数の個数: 88

約数和(自身を含む): 190420128

約数和(自身を除く): 117711008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1024, 1280, 1291, 1408, 1760, 2560, 2582, 2816, 3520, 5120, 5164, 5632, 6455, 7040, 10328, 11264, 12910, 14080, 14201, 20656, 25820, 28160, 28402, 41312, 51640, 56320, 56804, 71005, 82624, 103280, 113608, 142010, 165248, 206560, 227216, 284020, 330496, 413120, 454432, 568040, 660992, 826240, 908864, 1136080, 1321984, 1652480, 1817728, 2272160, 3304960, 3635456, 4544320, 6609920, 7270912, 9088640, 14541824, 18177280, 36354560, 72709120]

約数ペア:

[(1, 72709120), (2, 36354560), (4, 18177280), (5, 14541824), (8, 9088640), (10, 7270912), (11, 6609920), (16, 4544320), (20, 3635456), (22, 3304960), (32, 2272160), (40, 1817728), (44, 1652480), (55, 1321984), (64, 1136080), (80, 908864), (88, 826240), (110, 660992), (128, 568040), (160, 454432), (176, 413120), (220, 330496), (256, 284020), (320, 227216), (352, 206560), (440, 165248), (512, 142010), (640, 113608), (704, 103280), (880, 82624), (1024, 71005), (1280, 56804), (1291, 56320), (1408, 51640), (1760, 41312), (2560, 28402), (2582, 28160), (2816, 25820), (3520, 20656), (5120, 14201), (5164, 14080), (5632, 12910), (6455, 11264), (7040, 10328)]