321522560

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:368

約数の個数: 128

約数和(自身を含む): 819223200

約数和(自身を除く): 497700640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 137, 152, 160, 190, 193, 274, 304, 320, 380, 386, 548, 608, 640, 685, 760, 772, 965, 1096, 1216, 1370, 1520, 1544, 1930, 2192, 2432, 2603, 2740, 3040, 3088, 3667, 3860, 4384, 5206, 5480, 6080, 6176, 7334, 7720, 8768, 10412, 10960, 12160, 12352, 13015, 14668, 15440, 17536, 18335, 20824, 21920, 24704, 26030, 26441, 29336, 30880, 36670, 41648, 43840, 52060, 52882, 58672, 61760, 73340, 83296, 87680, 104120, 105764, 117344, 123520, 132205, 146680, 166592, 208240, 211528, 234688, 264410, 293360, 333184, 416480, 423056, 469376, 502379, 528820, 586720, 832960, 846112, 1004758, 1057640, 1173440, 1665920, 1692224, 2009516, 2115280, 2346880, 2511895, 3384448, 4019032, 4230560, 5023790, 8038064, 8461120, 10047580, 16076128, 16922240, 20095160, 32152256, 40190320, 64304512, 80380640, 160761280, 321522560]

約数ペア:

[(1, 321522560), (2, 160761280), (4, 80380640), (5, 64304512), (8, 40190320), (10, 32152256), (16, 20095160), (19, 16922240), (20, 16076128), (32, 10047580), (38, 8461120), (40, 8038064), (64, 5023790), (76, 4230560), (80, 4019032), (95, 3384448), (128, 2511895), (137, 2346880), (152, 2115280), (160, 2009516), (190, 1692224), (193, 1665920), (274, 1173440), (304, 1057640), (320, 1004758), (380, 846112), (386, 832960), (548, 586720), (608, 528820), (640, 502379), (685, 469376), (760, 423056), (772, 416480), (965, 333184), (1096, 293360), (1216, 264410), (1370, 234688), (1520, 211528), (1544, 208240), (1930, 166592), (2192, 146680), (2432, 132205), (2603, 123520), (2740, 117344), (3040, 105764), (3088, 104120), (3667, 87680), (3860, 83296), (4384, 73340), (5206, 61760), (5480, 58672), (6080, 52882), (6176, 52060), (7334, 43840), (7720, 41648), (8768, 36670), (10412, 30880), (10960, 29336), (12160, 26441), (12352, 26030), (13015, 24704), (14668, 21920), (15440, 20824), (17536, 18335)]