2821120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:73

約数の個数: 88

約数和(自身を含む): 7369200

約数和(自身を除く): 4548080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 64, 76, 80, 95, 116, 128, 145, 152, 160, 190, 232, 256, 290, 304, 320, 380, 464, 512, 551, 580, 608, 640, 760, 928, 1024, 1102, 1160, 1216, 1280, 1520, 1856, 2204, 2320, 2432, 2560, 2755, 3040, 3712, 4408, 4640, 4864, 5120, 5510, 6080, 7424, 8816, 9280, 9728, 11020, 12160, 14848, 17632, 18560, 19456, 22040, 24320, 29696, 35264, 37120, 44080, 48640, 70528, 74240, 88160, 97280, 141056, 148480, 176320, 282112, 352640, 564224, 705280, 1410560, 2821120]

約数ペア:

[(1, 2821120), (2, 1410560), (4, 705280), (5, 564224), (8, 352640), (10, 282112), (16, 176320), (19, 148480), (20, 141056), (29, 97280), (32, 88160), (38, 74240), (40, 70528), (58, 48640), (64, 44080), (76, 37120), (80, 35264), (95, 29696), (116, 24320), (128, 22040), (145, 19456), (152, 18560), (160, 17632), (190, 14848), (232, 12160), (256, 11020), (290, 9728), (304, 9280), (320, 8816), (380, 7424), (464, 6080), (512, 5510), (551, 5120), (580, 4864), (608, 4640), (640, 4408), (760, 3712), (928, 3040), (1024, 2755), (1102, 2560), (1160, 2432), (1216, 2320), (1280, 2204), (1520, 1856)]