253268480

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 160

約数和(自身を含む): 659957760

約数和(自身を除く): 406689280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 127, 128, 152, 160, 164, 190, 205, 254, 256, 304, 320, 328, 380, 410, 508, 512, 608, 635, 640, 656, 760, 779, 820, 1016, 1216, 1270, 1280, 1312, 1520, 1558, 1640, 2032, 2413, 2432, 2540, 2560, 2624, 3040, 3116, 3280, 3895, 4064, 4826, 4864, 5080, 5207, 5248, 6080, 6232, 6560, 7790, 8128, 9652, 9728, 10160, 10414, 10496, 12065, 12160, 12464, 13120, 15580, 16256, 19304, 20320, 20828, 20992, 24130, 24320, 24928, 26035, 26240, 31160, 32512, 38608, 40640, 41656, 48260, 48640, 49856, 52070, 52480, 62320, 65024, 77216, 81280, 83312, 96520, 98933, 99712, 104140, 104960, 124640, 154432, 162560, 166624, 193040, 197866, 199424, 208280, 249280, 308864, 325120, 333248, 386080, 395732, 398848, 416560, 494665, 498560, 617728, 666496, 772160, 791464, 833120, 989330, 997120, 1235456, 1332992, 1544320, 1582928, 1666240, 1978660, 1994240, 2665984, 3088640, 3165856, 3332480, 3957320, 6177280, 6331712, 6664960, 7914640, 12663424, 13329920, 15829280, 25326848, 31658560, 50653696, 63317120, 126634240, 253268480]

約数ペア:

[(1, 253268480), (2, 126634240), (4, 63317120), (5, 50653696), (8, 31658560), (10, 25326848), (16, 15829280), (19, 13329920), (20, 12663424), (32, 7914640), (38, 6664960), (40, 6331712), (41, 6177280), (64, 3957320), (76, 3332480), (80, 3165856), (82, 3088640), (95, 2665984), (127, 1994240), (128, 1978660), (152, 1666240), (160, 1582928), (164, 1544320), (190, 1332992), (205, 1235456), (254, 997120), (256, 989330), (304, 833120), (320, 791464), (328, 772160), (380, 666496), (410, 617728), (508, 498560), (512, 494665), (608, 416560), (635, 398848), (640, 395732), (656, 386080), (760, 333248), (779, 325120), (820, 308864), (1016, 249280), (1216, 208280), (1270, 199424), (1280, 197866), (1312, 193040), (1520, 166624), (1558, 162560), (1640, 154432), (2032, 124640), (2413, 104960), (2432, 104140), (2540, 99712), (2560, 98933), (2624, 96520), (3040, 83312), (3116, 81280), (3280, 77216), (3895, 65024), (4064, 62320), (4826, 52480), (4864, 52070), (5080, 49856), (5207, 48640), (5248, 48260), (6080, 41656), (6232, 40640), (6560, 38608), (7790, 32512), (8128, 31160), (9652, 26240), (9728, 26035), (10160, 24928), (10414, 24320), (10496, 24130), (12065, 20992), (12160, 20828), (12464, 20320), (13120, 19304), (15580, 16256)]