277220680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 708341760

約数和(自身を除く): 431121080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 121, 127, 164, 205, 220, 242, 254, 328, 410, 440, 451, 484, 508, 605, 635, 820, 902, 968, 1016, 1210, 1270, 1331, 1397, 1640, 1804, 2255, 2420, 2540, 2662, 2794, 3608, 4510, 4840, 4961, 5080, 5207, 5324, 5588, 6655, 6985, 9020, 9922, 10414, 10648, 11176, 13310, 13970, 15367, 18040, 19844, 20828, 24805, 26035, 26620, 27940, 30734, 39688, 41656, 49610, 52070, 53240, 54571, 55880, 57277, 61468, 76835, 99220, 104140, 109142, 114554, 122936, 153670, 169037, 198440, 208280, 218284, 229108, 272855, 286385, 307340, 338074, 436568, 458216, 545710, 572770, 614680, 630047, 676148, 845185, 1091420, 1145540, 1260094, 1352296, 1690370, 2182840, 2291080, 2520188, 3150235, 3380740, 5040376, 6300470, 6761480, 6930517, 12600940, 13861034, 25201880, 27722068, 34652585, 55444136, 69305170, 138610340, 277220680]

約数ペア:

[(1, 277220680), (2, 138610340), (4, 69305170), (5, 55444136), (8, 34652585), (10, 27722068), (11, 25201880), (20, 13861034), (22, 12600940), (40, 6930517), (41, 6761480), (44, 6300470), (55, 5040376), (82, 3380740), (88, 3150235), (110, 2520188), (121, 2291080), (127, 2182840), (164, 1690370), (205, 1352296), (220, 1260094), (242, 1145540), (254, 1091420), (328, 845185), (410, 676148), (440, 630047), (451, 614680), (484, 572770), (508, 545710), (605, 458216), (635, 436568), (820, 338074), (902, 307340), (968, 286385), (1016, 272855), (1210, 229108), (1270, 218284), (1331, 208280), (1397, 198440), (1640, 169037), (1804, 153670), (2255, 122936), (2420, 114554), (2540, 109142), (2662, 104140), (2794, 99220), (3608, 76835), (4510, 61468), (4840, 57277), (4961, 55880), (5080, 54571), (5207, 53240), (5324, 52070), (5588, 49610), (6655, 41656), (6985, 39688), (9020, 30734), (9922, 27940), (10414, 26620), (10648, 26035), (11176, 24805), (13310, 20828), (13970, 19844), (15367, 18040)]